[Asterisk-Users] Audio problems 50% of the time.

2006-05-17 Thread kurt x

I have an Asterisk server that I use at work.  I have a phone that is
at home that logs into
the Asterisk server at work.  My home phone is hooked up via DSL
through a Linksys router. You can see the my sip.conf for the phone
blow.

The problem is each time the phone rings I can hear/be heard 50% of the time.

Any suggestion on what to look for.

I do have my reg time set for 180 seconds on the cisco ATA186.

[72459]
type=friend
username=XX
secret=X
host=dynamic
context=voice-mail
dtmfmode=rfc2833
;canreivet=yes
nat=yes
qualify=yes

Kurt
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Re: [Asterisk-Users] Audio problems 50% of the time.

2006-05-17 Thread olivier.taylor
if your connection is also used for web, email, and the worst, p2p, you 
better to have qos on your router.


just be aware that g711 will use 80Kb up and down...
gsm and g729  wil use 30/40Kb

then :
disallow all
allow = gsm
allow = g729



Olivier

kurt x a écrit :

I have an Asterisk server that I use at work.  I have a phone that is
at home that logs into
the Asterisk server at work.  My home phone is hooked up via DSL
through a Linksys router. You can see the my sip.conf for the phone
blow.

The problem is each time the phone rings I can hear/be heard 50% of 
the time.


Any suggestion on what to look for.

I do have my reg time set for 180 seconds on the cisco ATA186.

[72459]
type=friend
username=XX
secret=X
host=dynamic
context=voice-mail
dtmfmode=rfc2833
;canreivet=yes
nat=yes
qualify=yes

Kurt
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Re: [Asterisk-Users] Audio problems 50% of the time.

2006-05-17 Thread Derek Lee-Wo

This is most likely your upload speed.  I have Comcast supposedly with
384KB upload, but I have a hard time using VoIP unless I use a
low-bandwidth codec like GSM.  For g711, it's a crap shoot as to
whether it works or not.

I can always hear the other person clearly since I have a ton of
download bandwidth available, but they have a hard time hearing me and
I tend to break up a lot.

Derek


On 5/17/06, kurt x [EMAIL PROTECTED] wrote:

I have an Asterisk server that I use at work.  I have a phone that is
at home that logs into
the Asterisk server at work.  My home phone is hooked up via DSL
through a Linksys router. You can see the my sip.conf for the phone
blow.

The problem is each time the phone rings I can hear/be heard 50% of the time.

Any suggestion on what to look for.

I do have my reg time set for 180 seconds on the cisco ATA186.

[72459]
type=friend
username=XX
secret=X
host=dynamic
context=voice-mail
dtmfmode=rfc2833
;canreivet=yes
nat=yes
qualify=yes

Kurt
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Re: [Asterisk-Users] Audio problems 50% of the time.

2006-05-17 Thread kurt x

I would agree, if I also experience choppy voice.  Over the last month
I had one spike of 893k over my T1.  My average usually is
223k.  I carved out 640k for voice QOS on the WAN router.  At most I
would have 4 calls up at once.

The call comes in, the phone rings,  50% of the time I can have a
conversations.  50% of time I can not.  Maybe I should complain to my
SIP service provider.

Kurt
---

if your connection is also used for web, email, and the worst, p2p, you
better to have qos on your router.

just be aware that g711 will use 80Kb up and down...
gsm and g729  wil use 30/40Kb

then :
disallow all
allow = gsm
allow = g729



Olivier

kurt x a écrit :

I have an Asterisk server that I use at work.  I have a phone that is
at home that logs into
the Asterisk server at work.  My home phone is hooked up via DSL
through a Linksys router. You can see the my sip.conf for the phone
blow.

The problem is each time the phone rings I can hear/be heard 50% of
the time.

Any suggestion on what to look for.

I do have my reg time set for 180 seconds on the cisco ATA186.

[72459]
type=friend
username=XX
secret=X
host=dynamic
context=voice-mail
dtmfmode=rfc2833
;canreivet=yes
nat=yes
qualify=yes

Kurt

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[Asterisk-Users] Audio problems 50% of the time. (kurt x)

2006-05-17 Thread Matthew Warren
Sounds like you have to much NAT interference
Matt

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RE: [Asterisk-Users] Audio problems 50% of the time.

2006-05-17 Thread Damon Estep
A few things;

You have nat and qualify = yes, those settings are correct.

On your DSL, is there a public IP address on the internet side of the
Linksys? (not in the 10.x.x.x, 192.168.x.x, or 172.16.x.x subnets).

If not, you have another NAT router in the middle (your DSL modem) and
you will not have good luck.

The ATA186 is an antique in the voip world, it is no longer supported
and has poor and primitive SIP firmware. Spend $80-90 and get a Sipura
SPA2100. It is a combo router/ATA that works very well and has very
refined SIP images. Use 3.2.5(d) with asterisk 1.2 for best results.
Make sure you set the RTP packet size to .020 if you do use a SPA2100,
the default is .030 (30ms).

Make sure your Linksys router has current firmware. The newer (hardware
version 4) 4 and 8 port wired routers support QoS, as well as the
WRT54G. if you have one of those you should turn on the QoS, my guess is
you do not or the issue you report would likely not exist.

Try putting the ATA in the DMZ on the Linksys by setting the DMZ host,
but make sure your ata is secured with strong passwords since it will
become accessible from the internet.

The issue you are having is most likely NAT/Firewall related. When you
embrace newer technologies like VoIP you must also be willing to embrace
the cost of modern hardware, and the ATA186 does not fall into that
category... it was the device the Cisco/Linksys/Sipura folks cut thier
teeth on, and like many other 1st generation products, it sucks. The
same engineers that designed that device are still designing
Cisco/Sipura/Linksys devices; they just have a lot more experience now.





-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of kurt x
Sent: Wednesday, May 17, 2006 12:37 PM
To: Asterisk
Subject: [Asterisk-Users] Audio problems 50% of the time.

I have an Asterisk server that I use at work.  I have a phone that is
at home that logs into
the Asterisk server at work.  My home phone is hooked up via DSL
through a Linksys router. You can see the my sip.conf for the phone
blow.

The problem is each time the phone rings I can hear/be heard 50% of the
time.

Any suggestion on what to look for.

I do have my reg time set for 180 seconds on the cisco ATA186.

[72459]
type=friend
username=XX
secret=X
host=dynamic
context=voice-mail
dtmfmode=rfc2833
;canreivet=yes
nat=yes
qualify=yes

Kurt
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RE: [Asterisk-Users] Audio problems 50% of the time.

2006-05-17 Thread Damon Estep
I get the impression the complaint is NO audio, not poor audio. This
points more to NAT than QoS.

-Original Message-
From: [EMAIL PROTECTED]
[mailto:[EMAIL PROTECTED] On Behalf Of Derek
Lee-Wo
Sent: Wednesday, May 17, 2006 1:38 PM
To: Asterisk Users Mailing List - Non-Commercial Discussion
Subject: Re: [Asterisk-Users] Audio problems 50% of the time.

This is most likely your upload speed.  I have Comcast supposedly with
384KB upload, but I have a hard time using VoIP unless I use a
low-bandwidth codec like GSM.  For g711, it's a crap shoot as to
whether it works or not.

I can always hear the other person clearly since I have a ton of
download bandwidth available, but they have a hard time hearing me and
I tend to break up a lot.

Derek


On 5/17/06, kurt x [EMAIL PROTECTED] wrote:
 I have an Asterisk server that I use at work.  I have a phone that is
 at home that logs into
 the Asterisk server at work.  My home phone is hooked up via DSL
 through a Linksys router. You can see the my sip.conf for the phone
 blow.

 The problem is each time the phone rings I can hear/be heard 50% of
the time.

 Any suggestion on what to look for.

 I do have my reg time set for 180 seconds on the cisco ATA186.

 [72459]
 type=friend
 username=XX
 secret=X
 host=dynamic
 context=voice-mail
 dtmfmode=rfc2833
 ;canreivet=yes
 nat=yes
 qualify=yes

 Kurt
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