[asterisk-users] packet counts: twice as high on one leg?

2013-06-20 Thread Dr. Michael J. Chudobiak

Hi all,

I have two phones that I've been comparing (different manufacturers).

To debug call quality issues on one of them, I've been using calls from 
the phone to our main DID, so 3 SIP sessions exist (phone  asterisk 
then asterisk  provider, and the providerasterisk for the DID).


The bad phone shows roughly twice the number of packets on the 
phoneasterisk session as on the other two sessions.


The good phone shows roughly equal packet counts on each of the 3 
sessions.


I've used asterisk server MTUs of 1440 and 1500, but it makes no difference.

Is this double-packet-count a clue, a problem, or a red herring?

The packet counts are shown using sip show channelstats.


- Mike

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Re: [asterisk-users] packet counts: twice as high on one leg?

2013-06-20 Thread Dr. Michael J. Chudobiak

On 06/20/2013 11:56 AM, jg wrote:

Have you checked whether the same codecs, or codecs with the same
bandwidth requirements, are used?


Yes, it is ulaw everywhere.

- Mike


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Re: [asterisk-users] packet counts: twice as high on one leg?

2013-06-20 Thread Dr. Michael J. Chudobiak

On 06/20/2013 11:56 AM, jg wrote:

Have you checked whether the same codecs, or codecs with the same
bandwidth requirements, are used?


Here's an example of a simple outgoing call. Everything is ulaw. The 
192.x.x.x phone has roughly twice the packet count of the provider 
session. The lost packet count is nonsensical on one session. Sigh.


- Mike


steerpike*CLI sip show channelstats
Peer Call ID  Duration Recv: Pack  Lost   ( %) 
Jitter Send: Pack  Lost   ( %) Jitter
209.217.98.130   0c15efc03f2  00:01:03 003069  104829 (97.16%) 
0. 003040  00 ( 0.00%) 0.0002
192.168.0.36 qY0p292XeDl  00:01:03 006121  00 ( 0.00%) 
0. 006096  00 ( 0.00%) 0.0001

2 active SIP channels

steerpike*CLI sip show channels
Peer User/ANR Call ID  Format   Hold 
Last MessageExpiry Peer
209.217.98.130   6139419467   0c15efc03f243c7  (ulaw)   No 
 Tx: ACK6136866675
192.168.0.36 mjc_office   qY0p292XeDlPcLk  (ulaw)   No 
 Rx: ACKmjc_office


steerpike*CLI core show version
Asterisk 11.4.0 built by root @ steerpike.avtechpulse.com on a x86_64 
running Linux on 2013-06-19 12:10:47 UTC


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Re: [asterisk-users] packet counts: twice as high on one leg?

2013-06-20 Thread Dr. Michael J. Chudobiak

Packet count is one thing, transferred data is another one. If one phone
uses smaller UDP packages, then the packet count should increase in
reciprocally. I have read some comments on the net that smaller packages
are preferable because lost packages have less impact on the hearable
audio.


Aha. I overlooked that some phones had ulaw:10 in sip.conf, instead of 
the standard ulaw:20. That explains the packet count difference. It 
seems my call quality issues are coming from something else.


- Mike


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[asterisk-users] changing ringtones to a group of phones

2013-05-03 Thread Dr. Michael J. Chudobiak

Hi all,

I've been modifying the ringtone on a group of Snom phones like this, 
depending on certain dial-plan conditions:


Exten = s,1,SIPAddHeader(Alert-Info: 
http://192.168.0.200/tel_ring01.wav)
exten = 
s,n,Dial(SIP/mjc_officeSIP/mjc_homeSIP/mjc_labSIP/mjc_server,20,trj)


Now, I'm migrating slowly to Digium D70 phones, which have a different 
Alert-Info syntax (and different ringtone names).


How can I dial a group of phones simultaneously, say half Snom and half 
Digium, with different sip alert-info headers?


- Mike

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Re: [asterisk-users] changing ringtones to a group of phones

2013-05-03 Thread Dr. Michael J. Chudobiak

On 05/03/2013 01:22 PM, jg wrote:

Maybe using a LOCAL channel could help. One ext. for Snom with Snom
header, another for Digium with Digium header, then simultaneously call
both local channels, which then call the appropriate phones.


Thanks, that might work!

- Mike

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[asterisk-users] Digium D70 visual voicemail - won't play

2013-05-03 Thread Dr. Michael J. Chudobiak

Hi all,

I'm trying out a Digium D70 phone with Asterisk 11.

My voicemail messages are listed in the visual voicemail app on the 
phone, but they do not successfully play back. The correct duration is 
shown, but the progress bar just jumps back to zero when I press the 
Play softbutton.


I can hear my messages fine if I manually dial into my voicemail 
extension.


I have format=wav49 in voicemail.conf. Is that a problem format for 
the D70?


- Mike


D70 Current Firmware Version: 1_3_0_2_54153
Asterisk 11.3.0

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Re: [asterisk-users] Door Contacts via Asterisk?

2010-11-15 Thread Dr. Michael J. Chudobiak
On 11/15/2010 01:35 PM, Cassius Smith wrote:
 Hi all,
 I have had (what I consider) an odd request. The installation I'm
 working on now is an office on a multi-floor building. They 're looking
 for some kind of solution with the phone system to provide door control.
 We are a non-profit so of course I'm looking for something VERY inexpensive.

 I'm sure /someone/ has done something like this. I'd appreciate any ideas.

Well, I use Asterisk to call a Perl AGI script which drives a serial 
port DTR line high (using Device::SerialPort and Asterisk::AGI) for 20 
seconds. The serial port line drives a transistor, which drives a large 
relay, which applies power to the (pre-existing) door solenoid.

Fairly trivial if you know how, hard otherwise :-)

- Mike



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Re: [asterisk-users] ADSL Load Balancing

2010-11-03 Thread Dr. Michael J. Chudobiak
On 11/03/2010 03:49 AM, Gordon Henderson wrote:

 I've got a client with two ADSL connections for redundancy.

 Is it possible to set up asterisk to connect to one SIP provider using
 both adsl connections and load balance between the two connections? Or
 to use one connection as the main one, and automatically fail over if
 the first connection drops?

 Or does this kind of thing need a serious network switch?

I use the SG560 (http://www.snapgear.com/index.cfm?skey=1557) to do this.

It handles two WAN connections (going to your ADSL modems). I set the 
routing policies so that VOIP goes on one link by default, and 
everything else on the other. If one link goes down, everything will be 
routed on the remaining link.

(Unfortunately, it doesn't seem to revert to the default state after the 
downed link recovers, so I have to add some reboot-modems-after-recovery 
scripts in a cron job to make things recovery in an ideal way.)

I think you can do the same with the Cisco RV016, which is cheaper, but 
the documentation is poor.

- Mike

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[asterisk-users] moving a bridged call to a conference room

2010-02-08 Thread Dr. Michael J. Chudobiak
I'm just figuring out conferencing. I have a super-simple setup with one 
room:

exten = 600,1,Answer
exten = 600,2,ConfBridge(1234,c|M|s)
exten = 600,3,hangup

If two people want to take their (bridged) call to the conference room, 
the local user has to do a transfer (to 600), and then dial 600 themselves.

Is there an easier way to transfer both ends of a bridged call to the 
conference room?

- Mike



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[asterisk-users] audio cuts out during IVR

2009-11-24 Thread Dr. Michael J. Chudobiak
Hi all,

I'm running 1.6.2.0-rc6, and I'm running into a problem: sometimes the 
audio vanishes in the middle of listening to an IVR background prompt.

This happens with both analog (Digium card) and IAX2 incoming calls.

The prompts are stored in ulaw format (and the IAX2 calls use ulaw).

The asterisk console claims that the IVR prompts are proceeding in the 
expected fashion, but I can't hear anything.

The logs don't report anything interesting.

Has anyone seen anything like this? Suggestions?

- Mike


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[asterisk-users] snapgear/mcafee sg560 rebooting

2009-11-24 Thread Dr. Michael J. Chudobiak
Hi all,

Does anyone else use the SG560 firewall with Asterisk? I do, and it 
normally works great, except when it randomly reboots. Has anyone else 
experienced this annoyance? Did you fix it?

- Mike

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Re: [asterisk-users] audio cuts out during IVR

2009-11-24 Thread Dr. Michael J. Chudobiak
On 11/24/2009 02:14 PM, David Backeberg wrote:
 The asterisk console claims that the IVR prompts are proceeding in the
 expected fashion, but I can't hear anything.

 Are you playing with the system clock?
...

 dramatic ntp changes?

No, that shouldn't be happening. But I'll keep it in mind while debugging...

- Mike

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Re: [asterisk-users] snapgear/mcafee sg560 rebooting

2009-11-24 Thread Dr. Michael J. Chudobiak
On 11/24/2009 01:19 PM, Dr. Michael J. Chudobiak wrote:
 Does anyone else use the SG560 firewall with Asterisk? I do, and it
 normally works great, except when it randomly reboots. Has anyone else
 experienced this annoyance? Did you fix it?

Oops, never mind. The SG560 was fine. The AC power to it wasn't!

- Mike

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Re: [asterisk-users] audio cuts out during IVR

2009-11-24 Thread Dr. Michael J. Chudobiak
On 11/24/2009 02:14 PM, David Backeberg wrote:
 I'm running 1.6.2.0-rc6, and I'm running into a problem: sometimes the
 audio vanishes in the middle of listening to an IVR background prompt.

 Are you playing with the system clock?

Actually, setting the internal_timing option seems to have fixed the 
problem.

https://issues.asterisk.org/view.php?id=15932

- Mike

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Re: [asterisk-users] my kernel is dazed and confused

2009-11-19 Thread Dr. Michael J. Chudobiak
On 11/12/2009 09:31 AM, Dr. Michael J. Chudobiak wrote:
 Nov 12 08:54:27 steerpike kernel: Uhhuh. NMI received for unknown reason
 a0 on CPU 0.
 Nov 12 08:54:27 steerpike kernel: You have some hardware problem, likely
 on the PCI bus.
 Nov 12 08:54:27 steerpike kernel: Dazed and confused, but trying to continue


 Would my Digium TDM410P cause an NMI, or is my computer failing?

It seemed to be a problem with the on-board network adapter's driver.

Sticking in a PCI NIC (which uses a different driver), and using it 
instead of the on-board one, seems to have fixed the problem.

Thanks to all for the various suggestions!

- Mike

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[asterisk-users] my kernel is dazed and confused

2009-11-12 Thread Dr. Michael J. Chudobiak
Nov 12 08:54:27 steerpike kernel: Uhhuh. NMI received for unknown reason 
a0 on CPU 0.
Nov 12 08:54:27 steerpike kernel: You have some hardware problem, likely 
on the PCI bus.
Nov 12 08:54:27 steerpike kernel: Dazed and confused, but trying to continue


Would my Digium TDM410P cause an NMI, or is my computer failing?

- Mike



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Re: [asterisk-users] my kernel is dazed and confused

2009-11-12 Thread Dr. Michael J. Chudobiak
On 11/12/2009 09:42 AM, Francesco Peeters wrote:
 Dr. Michael J. Chudobiak wrote:
 Nov 12 08:54:27 steerpike kernel: Uhhuh. NMI received for unknown reason
 a0 on CPU 0.
 Nov 12 08:54:27 steerpike kernel: You have some hardware problem, likely
 on the PCI bus.
 Nov 12 08:54:27 steerpike kernel: Dazed and confused, but trying to continue

 Would my Digium TDM410P cause an NMI, or is my computer failing?

 - Mike

 Googling for the error seems to indicate a possible kernel bug... Are
 you using Ubuntu or Debian?...

I'm using Fedora 11, kernel 2.6.30.8-64.fc11.x86_64.

- Mike

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Re: [asterisk-users] Best Firewall Suggestions?

2009-10-14 Thread Dr. Michael J. Chudobiak
On 10/14/2009 01:29 PM, David Wathen wrote:
 Hi Myles,

 Thanks to you and everyone else that has responded. I've really learned a
 lot. pFSense and IPCop sounds let best so far for LINUX based firewalls.

 I'm also wondering if anyone has any suggestions for a standalone firewall
 appliance like my Linksys WRT54G except one better suited for a small
 business and that NAT works well with VOIP.

I use the Secure Computing SG560 (which which recommended by my VOIP 
provider), and it works very well with IAX2. I haven't tried SIP.

Avoid SonicWall. I had bad experiences with their products and VOIP.


- Mike

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Re: [asterisk-users] ITSP's no longer supporting IAX?

2009-03-25 Thread Dr. Michael J. Chudobiak
OCG Technical Support wrote:
 After a variety of connectivity problems, my itsp (Unlimitel.ca) blamed 
 the problem on the IAX protocol.  They told me that as of Asterisk 1.4 
 the IAX protocol went downhill and many carriers (like VoicePulse) are 
 discontinuing support for IAX.
 
 Is this correct?  We are all heading for SIP?

I use IAX with unlimitel.ca on Asterisk 1.6, and I haven't had any 
issues at all.

The choice of router/NAT is critical though. Unlimitel recommended the 
SnapGear 560 to me, and it eliminated all the issues I was having with 
IAX going through my Sonicwall devices.

Just another datapoint for you...

- Mike

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Re: [asterisk-users] ITSP's no longer supporting IAX?

2009-03-25 Thread Dr. Michael J. Chudobiak
 The choice of router/NAT is critical though. Unlimitel recommended the
 SnapGear 560 to me, and it eliminated all the issues I was having with
 IAX going through my Sonicwall devices.

 Just another datapoint for you...
 Just curious.
 
 Since IAX only uses ONE port, do you have any idea what the technical
 reason behind a specific router would be critical?

Well, with a Sonicwall TZ170, you had to enabled Firewall  VOIP  
Enable consistent NAT, which was not the default setting.

Then, you had to figure out that Firewall  Advanced  Default UDP 
Connection Timeout defaulted to 30 seconds, less than the normal 
Asterisk 60 second registration timeout.

Then, for some reason, the TZ170 would simply lose packets. A fraction 
of calls would end almost immediately after they started, with Asterisk 
reporting a raw hangup error and INVAL packets, suggesting that some 
IAX2 packets were being lost, mis-ordered, or mis-translated.

Anyway, the Sonicwall TZ170 was totally unreliable for IAX2 connections. 
They caused me a lot of grief. Avoid them like the plague.

The Snapgear 560 just works, which I appreciate very much!


- Mike

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Re: [asterisk-users] Sonicwall potentially causing long ping times toSIP phones

2008-10-23 Thread Dr. Michael J. Chudobiak
Craig Van Ham wrote:
 I had weird issues when using a Sonicwall, gave up.

Same here, avoid them! I use the SnapGear SG560 now.

- Mike

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[asterisk-users] debugging hints in 1.6

2008-10-08 Thread Dr. Michael J. Chudobiak
Hi,

I use hints to drive the LEDs on my snom phones, something like:

exten = 
601,1,Dial(SIP/mjc_officeSIP/mjc_homeSIP/mjc_labSIP/mjc_serverSIP/mjc_library,20,trj)
exten = 601,2,Voicemail([EMAIL PROTECTED],u)
exten = 601,102,Voicemail([EMAIL PROTECTED],u)
exten = 
601,hint,SIP/mjc_officeSIP/mjc_homeSIP/mjc_labSIP/mjc_serverSIP/mjc_library

Sometimes asterisk gets confused, though, and reports my extension as 
in-use, even though no channels are active. Dialing something makes the 
hint report inactive - the states are inverted, in other words.

How can I debug that? Can I display the individual states of each sip 
line (SIP/mjc_office, SIP/mjc_home, etc) comprising the hint? Has anyone 
seen similar behavior?


- Mike

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Re: [asterisk-users] debugging hints in 1.6

2008-10-08 Thread Dr. Michael J. Chudobiak
 601,hint,SIP/mjc_officeSIP/mjc_homeSIP/mjc_labSIP/mjc_serverSIP/mjc_library

 Sometimes asterisk gets confused, though, and reports my extension as 
 in-use, even though no channels are active. Dialing something makes the 
 hint report inactive - the states are inverted, in other words.

 How can I debug that? Can I display the individual states of each sip 
 line (SIP/mjc_office, SIP/mjc_home, etc) comprising the hint?
 
 sip show subscriptions

Hmm, I'll see if that gives me any clues...

 core show hints

That just tells me what the LED is showing (which I can already see), 
with no further insights as to why it's wrong.

I don't suppose there is some sort of core show devicestates command, 
or something similar?


- Mike

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Re: [asterisk-users] debugging hints in 1.6

2008-10-08 Thread Dr. Michael J. Chudobiak
Philipp Kempgen wrote:
 Hmm, I'll see if that gives me any clues...
 
 Or you could try 'sip show inuse'.

Thanks, Philipp! I never noticed that command; I'm sure it will be very 
handy for debugging.

- Mike

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Re: [asterisk-users] rebooting snoms in 1.6

2008-10-02 Thread Dr. Michael J. Chudobiak
 With Asterisk 1.4 I could use commands like:
 
 /usr/sbin/asterisk -rx sip notify reboot-snom mjc_home
 
 to reboot a snom phone. Now, with 1.6, when I try that, I get:
 
 Unable to find notify type 'reboot-snom'
 Command 'sip notify reboot-snom mjc_home' failed.
 
 Do I need to add some magic to sip_notify.conf? I haven't quite figured 
 out how to make it work.

Found it. I needed:

; Untested - from Snom docs
[reboot-snom]
Event=reboot
Content-Length=0

- Mike

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[asterisk-users] rebooting snoms in 1.6

2008-10-01 Thread Dr. Michael J. Chudobiak
With Asterisk 1.4 I could use commands like:

/usr/sbin/asterisk -rx sip notify reboot-snom mjc_home

to reboot a snom phone. Now, with 1.6, when I try that, I get:

Unable to find notify type 'reboot-snom'
Command 'sip notify reboot-snom mjc_home' failed.

Do I need to add some magic to sip_notify.conf? I haven't quite figured 
out how to make it work.

- Mike



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Re: [asterisk-users] Chef-secretary scenario

2008-06-25 Thread Dr. Michael J. Chudobiak
 I use Snoms. I know there's the feature. I just don't know how to use
 it, and there's so little documentation on the web.. Anyway, with see
 I meant that the secretary's phone would have one of the function keys
 on whenever the chef is on the phone (also when he picks it up,
 right before dialing). Until now I've only managed to make both phones
 blink on incoming calls. But that's not what I want and I could've done
 that with extension = 11,1,Dial(SIP/11SIP/12SIP/13...).

This should be very easy. Use something like:

exten = 602,1,Dial(SIP/boss_officeSIP/boss_home,20,trj)
exten = 602,2,Voicemail([EMAIL PROTECTED])
exten = 602,102,Voicemail([EMAIL PROTECTED])
exten = 602,hint,SIP/boss_officeSIP/boss_home

exten = 603,1,Dial(SIP/secretary,20,trj)
exten = 603,2,Voicemail([EMAIL PROTECTED])
exten = 603,102,Voicemail([EMAIL PROTECTED])
exten = 603,hint,SIP/secretary

and set snom function keys to extensions 602 and 603. (Some firmware 
versions say Destination instead of extension, I think.)

- Mike


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Re: [asterisk-users] Snom 300 Echo

2008-02-12 Thread Dr. Michael J. Chudobiak
Brent Davidson wrote:
 I thought I had the echo out of the system, but it keeps coming back...  
 What I'm being told is that when the users call out from their snom 
 phones they hear their own voice.  There's no delay, but it's extremely 

Does it happen on all-digital calls (e.g., intercom between two Snom 
phones on the same LAN)?

If it only happens on analog calls, I would buy an adapter card with 
real hardware echo cancellation. I use the Sangoma A20002d with my Snom 
360s. I had a very hard time eliminating echo before getting the 
hardware echo canceller.

It could be something else entirely, of course.

- Mike

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Re: [asterisk-users] Lamps on Snom phones

2008-01-02 Thread Dr. Michael J. Chudobiak
Phil Knighton wrote:
 Been through lots of stuff in the forums, and as far as I can tell I 
 have got the hints setup correctly and everything *should* be working 
 fine.  There must be something different within 1.4 that I'm missing?

Yes, the metermaid format changed slightly. See the Parking Lot 
Status / Access from the Programmable Buttons / LEDs - Asterisk 1.4.x 
section of http://www.voip-info.org/wiki/view/Asterisk+phone+snom.

- Mike



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Re: [asterisk-users] IAX complaints? What are they?

2007-11-30 Thread Dr. Michael J. Chudobiak
randulo wrote:
 On Nov 30, 2007 1:40 PM, Steve Totaro [EMAIL PROTECTED] wrote:
 solved these issues.  I think trunking (one of the main selling points
 of IAX due to less overhead) may be a common denominator.
 
 That does tend to explain why I've never experienced (or at least
 noticed) problems. I never trunk which is, as you state, another
 important advantage of IAX.

I find the audio quality to be better on IAX - better jitter buffer!

I don't trunk.

- Mike


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Re: [asterisk-users] Snom 360 lights not working on subscription

2007-10-23 Thread Dr. Michael J. Chudobiak
 In order to get subscriptions working and the Snom 360 lights turns  
 on, I have set everything just like all the pages in the net explain.

 So, I get subsciption working. I can list subscription on the  
 asterisk and if I use the SIP trace function built in at the SNOM nad  
 see NOTIFY messages and 200 OK responses. But I realized that content  
 length = 0 in all messsages and there isn't any XML content in those  
 Notify headers..

  What we found is that even if you get the lights working, they go off
  after a few days.

The BLF lights on the Snom 360s work for me (Asterisk 1.4, Snom 6.5.12 
firmware), but I reboot them nightly.

I have noticed that the Snom BLFs can stop working if the network is 
busy for a long period of time (i.e., longer than the re-registration 
period), like during system-wide backups and yum-upgrades. To avoid this 
problem, I have a cron job reboot the Snoms nightly after scheduled 
backups/upgrades. I'm not sure if this is a network congestion issue or 
a server CPU overload issue, or something else. Anyway, this arrangement 
does seem to be pretty reliable.

To reboot a Snom: 
http://www.voip-info.org/wiki/view/Asterisk+phone+snom#RebootingaSNOM360320.

Hope this helps.


- Mike

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Re: [asterisk-users] Sangoma Wanpipe installation problems

2007-08-15 Thread Dr. Michael J. Chudobiak
Rory Campbell-Lange wrote:
 I'm trying to install wanpipe on my new 2.6.21-2-amd64 core 2 duo
 machine (Debian's amd64 works with EMT64 too) to run Asterisk. I'm
 getting compilation errors when trying to install the wanpipe utilities.

Sangoma says that 2.6.21/22 is not supported yet, just 2.6.20. They're 
working on it.

- Mike


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Re: [asterisk-users] les.net losing DID's

2007-08-08 Thread Dr. Michael J. Chudobiak
 What we tend to do with people who require out-of-area calling ability is
 grab a toll free DID from a bit of a bigger or more stable provider. Here in
 Ontario, Canada, we've had great success with Unlimitel for providing toll
 free DIDs.
 
 I have run across that name before as well - anyone else have any  
 experience wth them ? (I am in ontario as well)

We use them (Unlimitel) here in Ottawa. They are small, but they are 
stable and responsive. Outages occur occasionally (every few months), 
but they are dealt with rapidly and a detailed email usually explains 
what went wrong.

I'm not really aware of anyone else in the area who handles Asterisk well.

- Mike



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[asterisk-users] uptime script?

2007-08-02 Thread Dr. Michael J. Chudobiak
Can someone point me to an agi script that will read back the asterisk 
uptime, if such a thing exists?

- Mike

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Re: [asterisk-users] DID providers in Toronto

2007-07-02 Thread Dr. Michael J. Chudobiak
 I've had a good ongoing experience using http://www.unlimitel.ca.  They 
 are responsive and reliable.

Ditto here - Unlimitel is small but reliable and supportive.

- Mike

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[asterisk-users] playing wav49/gsm files on linux?

2007-02-05 Thread Dr. Michael J. Chudobiak
How can I play wav49 or gsm voicemail files on FC6? Nothing seems to 
play them (hxplay, xine, mplayer, etc). I think I have all the normal 
codec packages installed.


I can play regular wav files, but they're too big.

- Mike
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Re: [asterisk-users] playing wav49/gsm files on linux?

2007-02-05 Thread Dr. Michael J. Chudobiak

Gordon Henderson wrote:

On Mon, 5 Feb 2007, Dr. Michael J. Chudobiak wrote:

How can I play wav49 or gsm voicemail files on FC6? Nothing seems to 
play them (hxplay, xine, mplayer, etc). I think I have all the normal 
codec packages installed.


Have you got 'sox' installed? It comes with a command-line 'play' 
application which, er, plays audio files...


Thanks, Gordon! That's exactly what I needed.

- Mike
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Re: [asterisk-users] playing wav49/gsm files on linux?

2007-02-05 Thread Dr. Michael J. Chudobiak

Derek Whitten wrote:

switch voicemail to .ogg format


voicemail.conf:

format=ogg


but you can't actually do that, can you?

WARNING[9933]: file.c:984 ast_writefile: No such format 'ogg'

mp3 would be better, but it doesn't work either.

WARNING[9879]: file.c:984 ast_writefile: No such format 'mp3'

- Mike


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Re: [asterisk-users] Snom side car annoyance

2007-01-09 Thread Dr. Michael J. Chudobiak

J. Oquendo wrote:

Andrew Latham wrote:

you are asking about Shared line apperance or hints.  Look at this
http://www.voip-info.org/wiki/view/snom+360


Been there done that page. Nothing worth noting in there.


Do the line appearances work on the 12 non-sidecar buttons?

- Mike

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Re: [asterisk-users] anyone using metermaid / parked call BLF?

2007-01-05 Thread Dr. Michael J. Chudobiak
I'm using 1.2.9.1, with the metermaid patches to show parking spot 
status on Snom BLF lights.


I see from http://www.asterisk.org/node/97 that the metermaid code has 
changed substantially since 1.2.9.1.


Is anyone successfully using the new metermaid functionality in 1.4.x?


 Did anyone get back to you on this?
 Did the Metermaid functionality get written into 1.4?
 I'd love to know if anyone ever replied to you privately.

Jeronimo,

No, I never heard back from anyone. I've cc'd this to asterisk-users - 
maybe someone is familiar with metermaid/1.4 now...


- Mike
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[asterisk-users] anyone using metermaid / parked call BLF?

2006-12-15 Thread Dr. Michael J. Chudobiak

Hi all,

I'm using 1.2.9.1, with the metermaid patches to show parking spot 
status on Snom BLF lights.


I see from http://www.asterisk.org/node/97 that the metermaid code has 
changed substantially since 1.2.9.1.


Is anyone successfully using the new metermaid functionality in 1.4.x? 
I'd like to hear any good/bad experiences before I attempt even a test 
upgrade...


- Mike
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Re: [asterisk-users] Asterisk behind Sonicwall firewall

2006-09-26 Thread Dr. Michael J. Chudobiak

Barry Fawthrop wrote:

Hi all

Anyone using a sonicwall firewall ?
I have been and then suddenly  it drops UDP packets because SIP is no 
longer on port 5060 but some random assigned port ?


Why ?


Which Sonicwall model? Some (like the TZ170) have special VOIP settings, 
like Enable consistent NAT and Enable SIP Transformations. Check 
those; they work well with SIP.


If you don't have one of these newer models, please see 
http://www.voip-info.org/wiki-IAX, in the NAT Issues section. It deals 
with IAX2, but the issues are same for SIP UDP. The Sonicwall 
UDP-connection-memory timeout may be VERY short - 30 seconds by default 
on some! It is adjustable in some firmware versions.


I use the TZ170, but with IAX2 rather than SIP.


- Mike

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Re: [asterisk-users] Asterisk 1.2 snom 360 MWI

2006-09-22 Thread Dr. Michael J. Chudobiak

[EMAIL PROTECTED] wrote:

Just upgraded my * box to 1.2 and don't seem to be able to get MWI working.
Worked with my previous installation.  My conf files are the same ( except
for a few 1.2 changes ).  I've tried:

In sip.conf

fromuser=Anyname
fromdomain=my * ip
vmexten=7000


Are you missing something like

[EMAIL PROTECTED],password

in sip.conf?



Also, when I press the message key to get my voicemail my phone just calls
it's extension so in effect I call myself.  In the past on polycom phones I


What do you have set in the Snom login preferences, in the mailbox 
dialog? 7000, or something else?



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Re: [asterisk-users] Dropped call question - Maximum retries exceeded on transmission

2006-09-12 Thread Dr. Michael J. Chudobiak

Kohler, Jeffrey wrote:

I am encountering an intermittent issue where some of my calls are being
dropped.  Most of the calls that are made are successful.  However, some
calls will be dropped after having been connected for some time.

Each time a call gets dropped, I get output similar to the following in
the Asterisk console:

...

Does anyone have any suggestions?  I honestly don't know where to start
investigating this issue, so if anyone has any ideas they would be
greatly appreciated.


Jeffrey,

That's all a bit vague (how long before it drops, what protocol, are 
there firewalls, etc...), but my first guess would be a firewall NAT 
timeout. See the NAT Issues section at 
http://www.voip-info.org/wiki-IAX for example (it discusses IAX rather 
than SIP, but you get an idea of the issues).


- Mike
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Re: [asterisk-users] Re: Asterisk hangs up after 10-15 minutes when SIPPhone is on mute

2006-09-08 Thread Dr. Michael J. Chudobiak

Mike wrote:

Thanks Tony.  Its possible that the phone stops sending RTP stream (but it
certainly is receiving some!). How do I get Asterisk to stop caring whether
it receives RTP or not?

Yes there is a NAT between the phone the the Internet.  The Asterisk server
doesn't have NAT though.


My Sonicwall NAT/firewall has a 15 minute default inactivity timeout for 
TCP NAT connections, which is suggestive (it can be increased, though). 
If the signaling vanishes in one direction, maybe your NAT device is 
forgetting about the connection.


- Mike
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Re: [asterisk-users] [RESOLVED] One way audion on Sangoma

2006-08-25 Thread Dr. Michael J. Chudobiak

The sangoma has hardware echo cancel ?
If so it makes sence, because the settings in zapata.conf
are for the software echo cancel, and that should be
disabled for all interfaces that have hardware echo can.


No, that is incorrect. From 
http://wiki.sangoma.com/wanpipe-asterisk-configure:


The Wanpipe TDM driver enables HW Echo Cancellation only on channels 
that have active calls: It waits for zaptel to enable echo cancellation 
after the call has been established. Therefore, Echo Cancellation option 
MUST be enabled in /etc/asterisk/zapata.conf.


- Mike
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Re: [asterisk-users] Metermaid - Parking Slot

2006-08-21 Thread Dr. Michael J. Chudobiak

David Gagnon wrote:
Finally, in the trunk all the states of my device are broken. If I 
downgrade to 1.2.10, everything is fine. The device get busy and 
ringing. But in the current trunk Asterisk SVN-trunk-r40632M none of my 
hints works.


Anyone could confim this bugs ?



David,

I haven't heard of anyone using the metermaid function in the svn trunk. 
I haven't even seen any documentation for it - I guess its buried in the 
source code :-(  According to bug 5779, oej extensively rewrote 
everything for svn trunk... better open a bug report.



- Mike
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Re: [asterisk-users] VOIP phone for Receptionist use

2006-08-02 Thread Dr. Michael J. Chudobiak

- Ability for the phone to ring when the receptionist is on one call
and a second or third call is incoming.  (this has been the biggest
frustration up to now.  When a second call comes, there is no tone
that heard on the IP500.  Perhaps I am missing a setting?)


The Snom 360 can certainly do this - you can have a muted ringer, or 
just visual indication, or you can turn it off entirely.


- Mike

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Re: [asterisk-users] Sangoma Stops Receiving Calls

2006-07-26 Thread Dr. Michael J. Chudobiak

Alex Robar wrote:

Hi all,

I have a Sangoma A200 card with hardware echo cancellation. The card has 
12 ports (10 of which are active; All FXO). Twice on this particular 
card I've seen all ports simply stop receiving incoming calls. There is 
no other indication of this, however. I am able to place outgoing calls 
just fine, and call other extensions without issue. When someone calls 
in, the line just rings and rings, with no indication that the card even 
sees the calls. I'm not even sure where to begin looking into this. 
Could anyone give me some pointers as to what I might need to be looking 
for?


I'll be giving Sangoma tech support a call, but if anyone has any 
debugging pointers, they would be much appreciated.



Alex,

Does it work if you disable the hardware echo cancellation?

I had an A20002D that started to fail after a month or too of normal 
operation - it would answer PSTN calls, but the callers couldn't hear 
me, although I heard them. Disabling the HWEC cancellation made things 
work, but the echo was intolerable.


My vendor (Telephonyware) replaced the card (after I tried it in another 
computer, running another kernel, and testing the original server with a 
spare A20002D, and cleaning the FXO and HWEC module sockets), and the 
replacement has worked great since then.



- Mike

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Re: [asterisk-users] Re: Metermaid phone compatibility

2006-07-10 Thread Dr. Michael J. Chudobiak

shadowym wrote:

Yes, I am using the 1.2.7.1 patch on 1.2.9.1.  It seemed to work fine.

Still curious if anyone has this working on an Aastra phone?  I can't get it
to work but someone in the bug.digium.com list said they had it working on
an Aastra phone.  Maybe I am missing something.  I tried just about
everything I can think of.  How does metermaid work?  Is it using
devicestate() similar to what the bristuff patch does or is it a different
mechanism.  What does the phone need to support in order for this to work.
As far as I know, Aastra phones only support SIP device monitoring for BLF
with the current firmware.



The metermaid-1.2.7.1.txt patch uses devicestate (AST_DEVICE_NOT_INUSE 
and AST_DEVICE_INUSE) and SIP subscribe/notify messages. If you can use 
hints to monitor the status of normal lines, then it should work for the 
parking slots too.


See the Parking Lot Status / Access from the Programmable Buttons / 
LEDs section at http://www.voip-info.org/wiki/view/Asterisk+phone+snom 
for the procedure for setting it up with Snom 360s. Maybe it will help 
with your Aastra too...


(The trunk code has something different apparently. I'm not sure where 
that is documented.)



- Mike
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Re: [Asterisk-Users] Remote employees using Polycom 501 lose ability to receive incoming calls after few minutes.

2006-06-28 Thread Dr. Michael J. Chudobiak

Von L. wrote:

plugged in. They work immediately after being plugged in, but they lose
the ability shortly thereafter. They can always make outbound calls, but
only to real phone numbers, not extensions.

They each have NAT routers, and I have triple checked that they have
opened/forwarded the correct ports, basically 5060-3 UDP. Once they



See the NAT Issues section at http://www.voip-info.org/wiki/view/IAX. 
(The page is for IAX2, but the NAT issues are relevant for UDP ISP ports 
too).


Basically, some NAT routers forget UDP mappings after a VERY short 
time (like 30 seconds). Took me a while to figure that out.



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Re: [Asterisk-Users] Remote employees using Polycom 501 lose ability to receive incoming calls after few minutes.

2006-06-28 Thread Dr. Michael J. Chudobiak

Von L. wrote:

plugged in. They work immediately after being plugged in, but they lose
the ability shortly thereafter. They can always make outbound calls, but
only to real phone numbers, not extensions.

They each have NAT routers, and I have triple checked that they have
opened/forwarded the correct ports, basically 5060-3 UDP. Once they



See the NAT Issues section at http://www.voip-info.org/wiki/view/IAX.
(The page is for IAX2, but the NAT issues are relevant for UDP SIP ports
too).

Basically, some NAT routers forget UDP mappings after a VERY short
time (like 30 seconds). Took me a while to figure that out.


- Mike

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Re: [Asterisk-Users] Snom 360 with Firmware 6.1?

2006-06-23 Thread Dr. Michael J. Chudobiak

Koopmann, Jan-Peter wrote:

Hi,

Has anybody experience with Snom360 and Firmware 6.X with Asterisk 1.2.X? I
am currently using Firmware 5.5 without serious problems but wanted to make
sure 6.X will work as well (including subscription etc.)


Use the very latest - 6.2.1. It seems quite good. Earlier versions 
(including 6.2.0) had problems.


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[Asterisk-Users] call quality statistics?

2006-06-23 Thread Dr. Michael J. Chudobiak
Is it possible to set up some sort of call-quality statistics 
reporting/logging for IAX2 calls? Something that can keep track of 
dropped packet / jitter trends?


(I know iax2 show channels shows this info for active calls.)

Suggestions appreciated!


- Mike

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Re: [Asterisk-Users] Snom 360 doesn't register after reboot

2006-06-20 Thread Dr. Michael J. Chudobiak

Mimmus wrote:

Hi,
I'm trying my new Snom 360 phone (6.2 firmware) and I'm seeing that it
doesn't register with the Asterisk 1.2.9.1 server after a reboot. I need to
click Re-register in the web interface.


I think that was fixed in 6.2.1. See 
http://www.snom.com/wiki/index.php/Beta_Firmware and 
http://www.voip-info.org/wiki/view/snom+360


- Mike

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Re: [Asterisk-Users] Fun with Echo

2006-06-09 Thread Dr. Michael J. Chudobiak

Brian Swan wrote:
I've spent the last week or so troubleshooting echo problems at my 
Wife's business, and I've been able to clear up about 99% of the echo, 
but there is still a little residual echo that I can't seem to tweak 
out.  The users describe it as buzzing or crackling, but what it 
sounds like to me is a slight echo, but just of one syllable of the word.


I've followed the numerous suggestions in the mailing list archives 
which is what has enabled me to get this far.  After trying all the echo 
cancelers, and all the settings on each I settled on:

...

If anyone has any suggestions, I'd sure appreciate it!


Consider getting a Sangoma A200D 
(http://www.sangoma.com/datasheets/p_a200-specs) with the optional 
hardware echo canceller module. It just works for echo cancellation; 
no tweaks required. It takes a while to figure out how to install it, 
but once it's working it's great!



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Re: [Asterisk-Users] Snom firmwares suck --additional datapoint to consider

2006-05-26 Thread Dr. Michael J. Chudobiak

I looked long and hard at the LAN and it was basically narrowed down to the
switches. In this smaller install, several cheapo Dlink ($30) switches
de-aggregate a Cisco Catalyst switch. What I noticed was that any phone
plugged direcly into the Catalyst did *not* lock up or reboot. Any phone
plugged into the crap switches experienced the lockup. So now we are down to
the cheap switches themselves. We are nuking the Dlink switches and
replacing them with 3com workgroup switches, same as what we use in the
large install to good effect, and I fully expect the problem to dissapear. 


So does anyone have any theories as to what the technical difference 
between a good switch and a bad or cheapo switch actually is? 
Lower latency? Better grounding? More cowbell?


- Mike
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Re: [Asterisk-Users] Snom firmwares suck --additional datapoint to consider

2006-05-26 Thread Dr. Michael J. Chudobiak
Blaming the 3com switch is very likely to be the wrong root cause. High 
probability the 3com was not configured properly for the phone.


Just curious - what configuration issues did you have in mind?

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[Asterisk-Users] IAX2 + port translation

2006-05-26 Thread Dr. Michael J. Chudobiak

Hi all,

I'm having trouble with incoming IAX2 calls on 1.2.7.1 - mostly they 
work, but sometimes the caller just gets dead air or disconnects. IAX2 
debugs show HANGUP and INVALID codes in these cases, rather than a 
proper RINGING transaction.


My firewall is doing NAT, and changing the source port from 4569 to 
something else - my IAX2 provider suggested this might be a problem. Is 
it? Should this work:


steerpike*CLI iax2 show registry
Host  UsernamePerceived Refresh  State
64.26.157.230:45698886708729  64.26.155.62:14353 60  Reg
64.26.157.230:45696134827945  64.26.155.62:14353 60  Reg
64.26.157.230:45696136866597  64.26.155.62:14353 60  Reg
64.26.157.230:45696136866675  64.26.155.62:14353 60  Reg

There are four DIDs, and all are registered to an odd port (14353). Is 
this OK? (I am using a Sonicwall TZ170 with Enable Consistent NAT on).



- Mike
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Re: [Asterisk-Users] IAX2 + port translation

2006-05-26 Thread Dr. Michael J. Chudobiak
If memory serves me properly what you are showing looks correct. You 
server is registering to your provider on port 4569 as it should. Their 
server is seeing you register from 64.26.155.62 and using the prt 14353 
which is the port that your firewall has given that outgoing connection.


Possibly that the firewall is removing that connection port after some 
time and your provider cannot get back to your box? Try setting the 
reregistration time lower than 60 and see if it helps.


Hmm, it looks like I have to edit channels/chan_iax2.c to lower the 
registration timeout - I'm trying 15 seconds, and we'll see if that 
makes a difference. (You have to override the provider's requested 
timeout of 60 seconds).


Does anyone have any idea what the IP/port PAT pair timeouts are for the 
Sonicwall TZ170? I see that someone had a similar problem (PAT timeouts, 
on an unknown device) here: 
http://lists.digium.com/pipermail/asterisk-dev/2005-February/009341.html


- Mike

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Re: [Asterisk-Users] jitterbuffer causes flaky IAX2 incoming connections?

2006-05-26 Thread Dr. Michael J. Chudobiak

There isn't quite enough info in that log to tell what is going on.
What you have above is part of 2 separate conversations.

You have the tail end of a successful registration with 70.87.18.51
and the HANGUP of a call with 64.26.157.230 which your asterisk seems
to be confused about.

Could you try it again, and make sure you include the NEW message that 
starts the call

which fails ? (assuming that is that there was a NEW !)



Tim,

There was no NEW. Some IAX2 messages just aren't reaching me, I think.

I think that the real problem is a short timeout (maybe 60 seconds?) in 
my hardware firewall (Sonicwall TZ170) for UDP address:port pairs in the 
NAT/PAT translation memory. I've hacked the chan_iax2.c code to force a 
15 second registration refresh time, instead of 60 seconds, and so far 
things have worked much better (i.e., the registration is like a 
keep-alive for the PAT translation pairs).


I'll keep the list posted ...


- Mike
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Re: [Asterisk-Users] Sangoma A200 4 port FXO card suddenly stopped answer on channels 2, 3, 4

2006-05-26 Thread Dr. Michael J. Chudobiak

Mike Garey wrote:


It turns out that the Sangoma card had suddently decided to stop
answering on channels 2,3 and 4, so if someone was using channel 1,
then no other calls would be picked up.  We could, however, make
outgoing calls.  I tried restarting Asterisk and it didn't make a
difference.  I then tried restarting the Wanrouter and it started
working again.  Has anyone else run into this problem?


Do you have the optional echo canceler? The echo canceler on my A20002D 
died after two months, resulting in erratic one-way audio. Sangoma sent 
a replacement after I presented my debugging efforts to my vendor 
(Telephonyware). The replacement works fine.


Try re-seating the FXO option card in the main card. The optional echo 
canceler card can also be unscrewed and re-installed.


Anyway, call your vendor about the fall-through problem.

The disconnect problems that you mentioned are the same for any FXO card 
- see 
http://www.asteriskguru.com/tutorials/resolving_hangup_detection_problems_fxo_tdm_voicemail.html.) 



I use

minmessage=5
maxsilence=3
silencethreshold=128

in voicemail.conf. Seems to work reasonably well.


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[Asterisk-Users] jitterbuffer causes flaky IAX2 incoming connections?

2006-05-25 Thread Dr. Michael J. Chudobiak
I've been having problems with incoming IAX2 calls - some work, but a 
large fraction are answered with dead air or disconnects from my IAX 
provider.


Disabling the jitterbuffer seems to eliminate the problem (so far)! Has 
anyone else seen this? I'm using 1.2.6, but I'm not sure what my 
provider is using.


A snippet of the a failed incoming call IAX2 debug is attached below 
(with jitterbuffer on). Note the HANGUP and INVAL codes.


- Mike




Rx-Frame Retry[ No] -- OSeqno: 001 ISeqno: 002 Type: IAX Subclass: 
REGACK

   Timestamp: 00087ms  SCall: 00235  DCall: 3 [70.87.18.51:4569]
   USERNAME: avtech
   DATE TIME   : 2006-05-25  09:26:46
   REFRESH : 60
   APPARENT ADDRES : IPV4 64.26.155.62:14353

Tx-Frame Retry[-01] -- OSeqno: 002 ISeqno: 002 Type: IAX Subclass: ACK
   Timestamp: 00087ms  SCall: 3  DCall: 00235 [70.87.18.51:4569]
Rx-Frame Retry[ No] -- OSeqno: 001 ISeqno: 000 Type: IAX Subclass: 
HANGUP

   Timestamp: 04016ms  SCall: 00379  DCall: 0 [64.26.157.230:4569]
   CAUSE CODE  : 0

Tx-Frame Retry[ No] -- OSeqno: 000 ISeqno: 000 Type: IAX Subclass: INVAL
   Timestamp: 0ms  SCall: 0  DCall: 00379 [64.26.157.230:4569]
steerpike*CLI

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Re: [Asterisk-Users] jitterbuffer causes flaky IAX2 incoming connections?

2006-05-25 Thread Dr. Michael J. Chudobiak

Dr. Michael J. Chudobiak wrote:
Disabling the jitterbuffer seems to eliminate the problem (so far)! Has 
anyone else seen this? I'm using 1.2.6, but I'm not sure what my 
provider is using.


Oops, the problem still happens without the jitterbuffer - so something 
else is causing it. Any ideas?


- Mike


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Re: [Asterisk-Users] Are my expectations too high?

2006-05-23 Thread Dr. Michael J. Chudobiak

I'm getting a slight echo...sometimes...it varies from call-to-call,
but the biggest problem I have is a constant hiss in the background.
Again, this varies from call-to-call.  I know my SIP phones are fine
as SIP-to-SIP calls on my LAN work perfectly.  I only have problems
going out to the PSTN.



Get an FXO card with hardware echo cancellation. I use the Sangoma 
A20002D (four FXO ports with echo cancellation). It definitely costs 
more, but the hardware echo cancellation makes a huge difference in call 
quality! Software echo cancellation doesn't really work...


I don't know what to suggest about your hiss problem though.

- Mike
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Re: [Asterisk-Users] Are my expectations too high?

2006-05-23 Thread Dr. Michael J. Chudobiak

Derek Lee-Wo wrote:

With this card, would you say your audio quality is identical to that
of an analog phone connected directly to the PSTN?  I'm trying to
understand if I should expect some audio degradation when going
through Asterisk.


In my experience, this card provides the sames quality that our old 
Nortel Norstar PBX provided using the same lines. However, our PSTN 
lines are not particularly good (heavily filtered, low volume).


We find that local SIP calls through a nearby provider have MUCH better 
audio quality (clarity, lack of noise) than our PSTN lines.


However, long-distance SIP calls suffer from choppiness, so we use the 
PSTN for them.


Unfortunately, it takes a LOT of experimenting to find the perfect mix.


- Mike
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Re: [Asterisk-Users] Are my expectations too high?

2006-05-23 Thread Dr. Michael J. Chudobiak
While I agree that the Sangoma cards are good, your statement that software 
echo cancellation doesn't really work is ... incorrect.


Software echo cancel works very well if it's done correctly, if your audio 
levels are where the canceller's sweet spot is, and the tail is not longer 
than the longest tail that the canceller's designed to work with.  Most 
people don't attempt to set their stuff up correctly and they achieve poor 
results and blame it on the software.


Well, I couldn't make the software echo canceler totally eliminate the 
echo. It did reduce it, but not enough. I tried enabling/disabling 
various algorithms, tweaking gains, thresholds, taps, etc, etc, etc...


The software approach is great in theory, but the hardware echo canceler 
just works, without configuring anything - in my experience, anyway.


I'm curious though: did you find that the software approach totally 
eliminated echo in typical situations?



- Mike
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Re: [Asterisk-Users] Snom 320 Shared line + speed dial

2006-05-22 Thread Dr. Michael J. Chudobiak

Just after some info on the Snom 320 before I got out an buy some...
 
I'm looking to use the shared line feature and hints with * so that i 
can monitor the activity of other users, but I'm not sure If this also 
turns the programmable buttons into a speed dial for quick transfers etc 
(or if it can be done). Ideally, I just want the users to be able to see 
the state of other users and be able to transfer to that user by using 
the programmable buttons...
 
Is this possible with this phone ??


Set the buttons to Destination mode, and set up corresponding hints 
in extensions.conf. Then the LED shows the user's status and hitting 
transfer+button will transfer a call to that user. Just hitting the 
button will dial that user's extension.


See SNOM SUBSCRIBE/NOTIFY support for monitoring extension states at 
http://www.voip-info.org/wiki/view/Asterisk+phone+snom.


- Mike

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Re: [Asterisk-Users] Snom firmwares suck

2006-05-19 Thread Dr. Michael J. Chudobiak

Remco Barende wrote:
Most people seem quite positive about Snom phones, I cannot share this 
opinion.


The displays are dying quite often, and firmware is buggy. I have tried 
every firmware from 4.5 up to 5.x and 6.04 but keep having problems with 
phones locking up or rebooting during an ongoing conversation.


REALLY annoying for a phone that is advertised / targeted as a business 
class phone


Remco,

I have a dozen Snom 360s. One had a defective LCD that would become 
garbled after time. Snom support quickly confirmed that this was a known 
issue, and my vendor (voipsupply) quickly sent a replacement.


I've never seen any lockups or reboots. I reboot the phones each night 
at midnight, just to be safe - try doing that to see if it reduces 
problems. I've posted a sample perl cron script at 
http://www.voip-info.org/wiki/view/Asterisk+phone+snom to show how.


I use shielded ethernet cables (STP) everywhere too. Try that - good 
grounding may be beneficial. It can't hurt, anyway.


Snom support is pretty responsive. Try emailing [EMAIL PROTECTED]; they 
have fixed some issues for me (for example, the clock was showing the 
wrong time due to daylight savings time problems).


Try using a Grandstream GXP-2000 phone, and you'll see why people like 
the Snoms :-)


Hope this helps - let us know if anything makes a difference!


- Mike
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Re: [Asterisk-Users] Snom firmwares suck

2006-05-19 Thread Dr. Michael J. Chudobiak

Old English saying A bad workman always blames his tools


I don't think that's fair... these are very complicated phones, made in 
China for very low prices. Problems do occur with them.


Some Snom LCDs do have problems.

There are firmware glitches, though I've only run into minor ones.

Overall though, they are very good phones.


- Mike
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Re: [Asterisk-Users] Re: Non automated call parking

2006-05-19 Thread Dr. Michael J. Chudobiak

Steven wrote:

Make extensions that can hold a call. (like a 701)
Make this extension hintable for use in button programming.
If I am on a call and hit a non-lit button, it parks it there.
If I am not on a call and push the lit button, I connect to the park.
I suppose that if you are on a call and hit a lit button, it should either not be processed, or should join as a three way call. 
(either logic is justifiable)

These park extensions should still be callable so analog, etc. extensions can 
also connect to them.


Steven,

That arrangement would be great, but right now the closest existing 
method is the metermaid patch at 
http://bugs.digium.com/view.php?id=5779, and it looks like that won't 
even make it into 1.4. Sigh. (oej: people need this patch!)


I created a bounty two years ago at 
http://www.voip-info.org/wiki/view/Asterisk+bounty+snom+call+park for an 
arrangement like you describe, but there was no interest, so I dropped 
sponsorship of it. You can take over the bounty if you like.


I'm using the metermaid patch on 1.2.6, and it works very nicely with my 
Snom 360s. (Press a 700 button to park, and observe the 701-7xx button 
LEDs to see parking slot status).


- Mike
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Re: [Asterisk-Users] Sangoma A200D problem

2006-05-17 Thread Dr. Michael J. Chudobiak
I've been having problems with my A20002D lately - callers from the PSTN 
don't hear me when I answer, but I hear them. Disabling echo 
cancellation in zapata.conf brings the audio (and echo) back. This used 
to work fine, until two days ago.


Well, just to complete my own thread, this seems to be a probable 
hardware defect and Sangoma is sending a replacement.


I had to live with software echo cancellation for a day or two - shudder 
- it's amazing how much better the hardware echo cancellation is!



- Mike

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[Asterisk-Users] Sangoma A200D problem

2006-05-12 Thread Dr. Michael J. Chudobiak

Hi all,

I've been having problems with my A20002D lately - callers from the PSTN 
don't hear me when I answer, but I hear them. Disabling echo 
cancellation in zapata.conf brings the audio (and echo) back. This used 
to work fine, until two days ago.


The only weird thing in the logs is this:

May 12 07:42:53 steerpike wan_ecd: wp1ec: The H100 slave has lost its 
framing on the bus!
May 12 07:42:53 steerpike wan_ecd: wp1ec: The CT_C8_A clock behavior 
does not conform to the H.100 spec!


Is this a problem? (The server is an HP ProLiant DL140 G2).

Has anyone else seen this type of erratic problem?

I've tried re-seating the A20002D card, the FXO plug-ins, and the 
echo-canceller plug-ins. Right now it works ... we'll see if it stays 
that way.


- Mike

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[Asterisk-Users] Speex fans?

2006-05-12 Thread Dr. Michael J. Chudobiak

Hi all,

I've been testing various codecs to eliminate choppiness that I 
sometimes get on my Asterisk IAX2  DSL  provider (Exgn) connections, 
and Speex seems to work the best, so far - but Speex seems oddly unpopular.


Can anyone share their experiences with Speex (good and bad)? Is anyone 
using it in a production environment?


I like the variable bit rate and packet loss concealment features...


- Mike
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Re: [Asterisk-Users] Re: Sangoma A200D problem

2006-05-12 Thread Dr. Michael J. Chudobiak
 Last time I had this problem was following a unclean powerdown and the 
solution was:

   - Kill Asterisk
   - Stop wanpipe
   - cd /etc/wanpipe/wan_ec
   - In there there should be 2 files:
wan_ec_pid
wan_ec_socket=
   - Delete those files
   - Perform a reboot of your system



Andre,

Thanks for the tip, it's food for thought - but I actually don't have 
those two files! Do you still have wan_ec_pid and wan_ec_socket files 
with the latest drivers (wanpipe beta 2.3.4)?


- Mike
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[Asterisk-Users] echo in Snom 360 phones

2006-05-03 Thread Dr. Michael J. Chudobiak

Hi all,

One of my users reports frequently hearing echo on her Snom 360 phone, 
even while talking to other Snom phones (via Asterisk) on the same LAN 
(i.e., all-digital low-latency connection). I can never reproduce it 
though, and swapping the phone didn't help.


Has anyone else seen mystery echo on Snom phones? Any suggestions for 
debugging?


On my own Snom 360, I sometimes hear an echo for the first second or 
two, and then it goes away. I guess an echo cancellation circuit kicks 
in, inside the Snom.



- Mike
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Re: [Asterisk-Users] Snom 360 Firmware 6.0 - Microbrowser

2006-04-17 Thread Dr. Michael J. Chudobiak

TWV wrote:
By now, every Snom fan should have installed the 6.0 (beta) firmware :-) 
See http://www.snom.com/wiki/index.php/Beta_Firmware


I had to revert back to 5.5, because 6.0 kept garbling my LCD screen 
(the screen would become unreadable). You might want to wait for 6.0.1 :-)



- Mike
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[Asterisk-Users] simple wav ringtones?

2006-04-07 Thread Dr. Michael J. Chudobiak
Can anyone suggest a good source of simple-but-distinctive wav ringtones 
for a business environment, to use on Snom phones? The built-in Bellcore 
tones are hard to distinguish, to my ear.


I want variations of ring, ring, not Madonna or Eminem :-)


- Mike

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Re: [Asterisk-Users] TDM400 FXO module not answering or dialing out.

2006-03-23 Thread Dr. Michael J. Chudobiak

Hi Mike,
may I ask where you purchsded your A200 card from?
I managed to get one of the pre-production cards from Sangoma back in November,
however there are some bugs with it and I am unable to flash the
firmware or run latest drivers with it.


Sure, I got it at:

http://www.telephonyware.com/telephonyware/tw00274.html

So far I've done only basic tests. I haven't tried flashing any 
firmware, or the hardware echo canceller. However, I am using the latest 
drivers, and calls seem to go through just fine.


I was impressed that they supplied both a full-height and half-height 
card mounting bracket. I ended up using the optional half-height bracket 
in my server, for space reasons. Beware that the card is quite thick, 
so it can be tricky to install in 1U servers!


The installation procedure is pretty well documented at 
http://sangoma.editme.com. I had to hack my init scripts to make things 
start gracefully, but that's not a big deal.



- Mike

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[Asterisk-Users] best MTU?

2006-03-23 Thread Dr. Michael J. Chudobiak

Hi all,

I have several locations, each connected by a Sonicwall VPN through 
PPPOE DSL, with Snom 360 phones.


I've found that I have to tweak the Asterisk server MTU (inside one of 
the firewalls) to get everything to work just right. Set the server 
MTU too low, and the Snom phones don't communicate correctly anymore. 
Too high and the phones work, but the server can't access the web (for 
yum updates, for example).


So I've settled on an MTU of 1448.

Has anyone else struggled with this? What did you settle on?


- Mike


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Re: [Asterisk-Users] TDM400 FXO module not answering or dialing out.

2006-03-22 Thread Dr. Michael J. Chudobiak

Hadley Rich wrote:

Hi all,

I have hit a wall configuring a TDM400, I have set these up before without 
issue but today I just can't seem to figure out what I am doing wrong.



I couldn't make TDM400/FXO work on my 1.2.5 Asterisk either. It wouldn't 
answer calls, for unknown reasons. I gave up and replaced it with a 
Sangoma A200 card, which works just fine.


- Mike
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Re: [Asterisk-Users] An FXO version of IAXy?

2006-03-22 Thread Dr. Michael J. Chudobiak

D-Link has a 4 port FXO device on their site.
http://www.dlink.com/products/?sec=2pid=451


Apparently it hasn't shipped yet and costs $500.00


I've been testing a AudioCodes MP104-FXO-C3S (around $1000) 4-port FXO 
box. It works, but the number of configuration options are staggering, 
complex, and inter-related, and the documentation  support just aren't 
good enough to make installation easy.


The D-link DVG-3004S is pretty much impossible to get.

There is also the Mediatrix 1104 (also around $500), but it is reputed 
to be hard to configure (no web interface - just snmp!).


Slapping a Sangoma A200 into a computer (and configuring it through 
Zaptel/Asterisk) is much, much simpler than trying to make the 
appliance gateways work, at least in my experience.



- Mike
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Re: [Asterisk-Users] Analog POTS line - Rhino FXO Channel Bank - No Hangup

2006-03-17 Thread Dr. Michael J. Chudobiak

[EMAIL PROTECTED] wrote:

If so, is there a way to detect the hangup?


Check out 
http://www.asteriskguru.com/tutorials/resolving_hangup_detection_problems_fxo_tdm_voicemail.html 
for some possible clues.


- Mike
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[Asterisk-Users] can't get TDM400P to answer

2006-03-16 Thread Dr. Michael J. Chudobiak

Hi all,

I can't figure out why my TDM400P (with one FXO plugin) won't answer any 
calls. There are no messages in the Asterisk console when a call is 
placed to the FXO line from the PSTN. Any suggestions would be most 
appreciated.


The wctdm and zaptel modules are loaded:
[EMAIL PROTECTED] asterisk]# lsmod | grep wc
wctdm  37952  0
zaptel189700  1 wctdm

The green LED on the input connector is lit. ztcfg says:
...
Channel map:
Channel 04: FXS Kewlstart (Default) (Slaves: 04)
1 channels configured.


My zaptel.conf is:
fxsks=4
loadzone=us
defaultzone=us

and zapata.conf is:
[channels]
group=1
context=tdm400p-inbound
signalling=fxs_ks
echocancel=yes
echocancelwhenbridged=yes
relaxdtmf=yes
rxgain=1.5
txgain=1.5
immediate=no
busydetect=no
callprogress=no
musiconhold=default
usecallerid=yes
callerid=asreceived
channel = 4

The relevant sections of extensions.conf are:

[tdm400p-inbound]
exten = s,1,Ringing()
exten = s,2,Goto(MainMenu,s,1)
exten = s,3,Hangup;
...
[MainMenu]
exten = s,1,Wait,3 ; ring for 1 second
exten = s,2,Answer ; answer
exten = s,3,Background,welcome
etc...

The TDM400P power connector is attached, even though it isn't supposed 
to be required for FXO modules.


Any ideas?

- Mike
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Re: [Asterisk-Users] IAX2 + Sonicwall

2006-03-11 Thread Dr. Michael J. Chudobiak
OK apart of my beleive that sonicwall is a piece of crap (personal), try 
to do a port forwarding for the IAX port (4569)


Saul,

Why do you consider Sonicwalls to be crap? Aside from this odd issue 
(which is fixed by using an obscure setting) they've been rock solid for 
me, for years.


- Mike
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[Asterisk-Users] IAX2 + Sonicwall

2006-03-10 Thread Dr. Michael J. Chudobiak

Hi all,

I currently have an Asterisk test server behind a TZ170 Sonicwall 
firewall / NAT box, with several DIDs.


I've found that inbound IAX2 calls don't work reliably (i.e., I get a 
busy tone) unless I enable Use Consistent NAT in the Sonicwall. This 
feature is poorly documented by Sonicwall, so I thought I'd pass it along.


Has anyone else run into this, or figured out the rationale for it?


- Mike



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Re: [Asterisk-Users] IAX2 + Sonicwall

2006-03-10 Thread Dr. Michael J. Chudobiak
I've found that inbound IAX2 calls don't work reliably (i.e., I get a 
busy tone) unless I enable Use Consistent NAT in the Sonicwall. This 
feature is poorly documented by Sonicwall, so I thought I'd pass it along.


I've used the iaxcomm softphone and a snom 200 behind serveral different
sonicwalls over the past year or so without any problem. The sonicwall
should not be a problem for iax calls at all.


I think the problem occurs when an Asterisk server inside the firewall 
tries to register multiple DIDs with one IAX2 provider outside the 
firewall. The Asterisk server worked fine when it was connected outside 
the firewall.


The Sonicwall TZ170s do handle SIP transformations very nicely, though, 
if your Asterisk server is outside the firewall.


- Mike
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[Asterisk-Users] pstn to asterisk, DVG-3004S, MP104?

2006-03-10 Thread Dr. Michael J. Chudobiak

Hi all,

I want to link three incoming Bell Canada centrex pstn lines (which 
currently go to an old norstar pbx) into asterisk.


Can anyone suggest the most painless (i.e., just works) way to do 
this? Has anyone used the D-link DVG-3004S four-port FXO-to-sip adapter, 
or the twice-as-costly Audiocode MP104-FXO-C3S?


I know the Digium TDM400P or Sangoma A200 are options too, but it's 
physically easier for me to use an FXO  ethernet appliance (simpler 
wiring).


I've had problems with hangup detection in some tests of different 
approaches...


Suggestions appreciated!

- Mike

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[Asterisk-Users] parking slot lights - testers wanted

2006-03-08 Thread Dr. Michael J. Chudobiak

Hi all,

The metermaid patch allows you to use the programmable buttons and 
LEDs on phones (like the Snom 2xx or 3xx) to view the status of parking 
slots and transfer to them. This should be really useful for 
small-office environments.


Anyway, the patch seems to work with Snom phones (and hopefully others) 
now! The curious are encouraged to download the metermaid-v3.txt patch 
against v1.2.4 for testing and feedback! See 
http://bugs.digium.com/view.php?id=5779 for details.


- Mike

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[Asterisk-Users] IAX provider recommendation wanted

2006-02-27 Thread Dr. Michael J. Chudobiak

Hi,

Can someone recommend an IAX provider for US DIDs who will:

1) Accept Canadian credit cards (rules out Junction Networks!)
2) Can do local number porting (LNP)
3) Have great audio quality

I tried Teliax, but the IAX audio quality was terrible - pops and clicks 
galore! The Teliax SIP quality was better, but still horrible compared 
to my Canadian DID IAX provider, Unlimitel.ca.



- Mike

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[Asterisk-Users] jitterbuffer and DTMF conflict?

2006-02-27 Thread Dr. Michael J. Chudobiak
I find that DTMF does not work reliably if jitterbuffer=on for certain 
IAX providers. For instance, DTMF tones are missed entirely about half 
the time when I dial into an exgn.net account. However, it always works 
fine for an unlimitel.ca account.


Someone else has seen this too: http://bugs.digium.com/view.php?id=6011

Can anyone suggest a workaround (other than jitterbuffer=off)?


- Mike
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Re: [Asterisk-Users] jitterbuffer and DTMF conflict?

2006-02-27 Thread Dr. Michael J. Chudobiak

Rich Adamson wrote:
I find that DTMF does not work reliably if jitterbuffer=on for certain 


Can anyone suggest a workaround (other than jitterbuffer=off)?


Might try turning off trunking (assuming you have it turned on) and
test again. Seems a couple of parameters interact and probably has
something to do with different versions of iax.



Rich,

I'm not sure if trunking is on by default, but I turned it off 
explicitly. No difference, sadly.


- Mike
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Re: [Asterisk-Users] IAX provider recommendation wanted

2006-02-27 Thread Dr. Michael J. Chudobiak

Martin Joseph wrote:

snip

3) Have great audio quality


This is somewhat a meaningless question, as the route from you to the 
call terminating service can make or break the quality.


Sure, but some carriers have problems inside their own networks. I can 
optimize the routing to the provider as needed, but it doesn't matter if 
they aren't actively addressing support issues and their own connections.


- Mike


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[Asterisk-Users] metermaid patch

2006-02-25 Thread Dr. Michael J. Chudobiak
I'd like to be able to use my Snom 360 LEDs to view the status of 
parking slots, so I'm trying to install the metermaid patch 
(http://bugs.digium.com/view.php?id=5779). Can someone help an svn 
newbie figure out how to install this patch? I've done the following:


svn checkout http://svn.digium.com/svn/asterisk/team/oej/metermaids
cd metermaids
make clean
make

but I get this error:

asterisk.c: In function ‘main’:
asterisk.c:2209: error: ‘option_dumpcore’ undeclared (first use in this 
function)

asterisk.c:2209: error: (Each undeclared identifier is reported only once
asterisk.c:2209: error: for each function it appears in.)
make: *** [asterisk.o] Error 1
[EMAIL PROTECTED] metermaids]#


What am I doing wrong? (I have 1.2.4 installed and working fine, from 
the tar.gz).



- Mike
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Re: [Asterisk-Users] Asterisk, SIP phone , NAT

2006-02-25 Thread Dr. Michael J. Chudobiak

nat=yes
qualify=yes


That works, but it works better if you use a NAT/firewall box that can 
do VOIP transformations automatically. The Sonicwall TZ170 can do 
this. It rewrites the packets auto-magically so things just work. The 
above parameters can be set to no then.


It seems to work more reliably that way, in my experience.


- Mike
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Re: [Asterisk-Users] snom 360 problem - only one call works after reboot

2006-02-23 Thread Dr. Michael J. Chudobiak
After rebooting, I can make one outgoing call successfully. Subsequent 
calls don't work - the 360 just seems to do nothing after pressing the 
OK button (but I can cancel the call, the phone isn't frozen). The 
Asterisk console shows the first call going through, but nothing 
appears for the subsequent calls, so they aren't even getting to 
Asterisk.


Define an outbound proxy for your line.


Dan,

Thanks, but that wasn't the problem. I had to set RTP Encryption on 
the snom 360 to off. By default it is on.


I have no idea why it causes a problem, but that is the solution!


- Mike
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[Asterisk-Users] snom 360 problem - only one call works after reboot

2006-02-22 Thread Dr. Michael J. Chudobiak

Hi,

I updated the firmware in my Snom 360 from 4.3 to version 5.3.6 (and 
then back to 5.2), but I'm having a weird problem now:


After rebooting, I can make one outgoing call successfully. Subsequent 
calls don't work - the 360 just seems to do nothing after pressing the 
OK button (but I can cancel the call, the phone isn't frozen). The 
Asterisk console shows the first call going through, but nothing appears 
for the subsequent calls, so they aren't even getting to Asterisk.


Has anyone seen this?


- Mike
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[Asterisk-Users] call parking hint

2006-02-20 Thread Dr. Michael J. Chudobiak

Hi,

Is it possible to use the hint priority to allow call parking slots to 
be monitored on (for example) Snom indicator lamps? How do you refer to 
the slots (i.e., what is the channel) in the hint?



- Mike

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Re: [Asterisk-Users] SIP Phones-Receptionist Setup

2004-11-21 Thread Dr. Michael J. Chudobiak
I'm not surprised. Asterisk is a PBX, not a key system or a hybrid 
system. The kind of functionality that is being described here is one or 
both of those 'other' beasts. Now I'm not saying that this wouldn't be 
nice, or even a long term requirement if you really want to open the 
entire SME market, but it's not typical PBX behavior.
Is there an open source key system, comparable to *?
- Mike
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