Re: [asterisk-users] Iridium integration / gateway

[Harry McGregor]

Hi, 

This looks like it may work for you.

https://www.iridium.com/products/beam-potsdock-extreme-docking-station/

Harry

On April 3, 2018 9:35:53 PM MST, Bertrand Lupart  
wrote:
>Hello,
>
>
>> Thanks for reply, but this is irrelevant, I'm looking for an
>*Iridium*
>> gateway.
>
>I guess calling to/from Iridium via GSM network is not an option and
>you’re looking for on boarding asterisk on a boat or somewhere GSM is
>not available.
>
>http://www.groundcontrol.com/Iridium_Making_Calls.htm
>
>
>I guess you could connect to your Iridium handset via USB :
>
>https://www.iridium.com/support/help-desk/
>
>
>Greetings,
>
>— 
>Bertrand

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Re: [asterisk-users] Panasonic PBX connect to Asterisk

[Harry McGregor]

Hi,


You need to find out more about the configuration of this specific 
TDA600, as it could be either POTS or E1, once you know that, you can 
determine what options are best.


-Harry


On 09/13/2016 10:51 PM, Ikka Tirtawidjaja wrote:

Dear Harry,

Thx for the explanation.

My team manage building's PBX that use Asterisk 13.x.
We use Asterisk PBX for this buildings that have apartment and office 
customer.
From my Asterisk PBX, we connect to IPPhone (yealink) or ATA Converter 
(cisco SPA112).
Others are using PBX like panasonic analog, audiocodes SBC, etc, and 
we use ATA Converter to convert from SIP to Analog (CO Line)


Now, we have a new customer (tenant) that have Panasonic TDA600.
If we use FXS or ATA Converter, its going to have a lot of that, 
because this tenant going to use about 60 ext / sip line.
Replacing asterisk PBX on my (company) side or replace TDA600 on my 
customer side is not acceptable.

So we need to find a "win-win" solution for this.

Thx in advance,


Ikka




On Wed, Sep 14, 2016 at 12:40 PM, Harry McGregor 
<hmcgre...@biggeeks.org <mailto:hmcgre...@biggeeks.org>> wrote:


Hi,


On 09/13/2016 06:51 AM, Ikka Tirtawidjaja wrote:

Hi,

Is there anyone here who has experience connecting Asterisk (ver
13.8) with PBX Panasonic KX-TDA600 ?

The architecture more less like this :


Telco Sip Trunk ---> Asterisk 13 ---> Panasonic KX-TDA600 --->
Phone / Fax



What connectivity do you currently use for the KX-TDA600?  E1, T1,
POTS, BRI?

Others have suggested a SIP to E1/T1 gateway, which would let you
skip the asterisk box, if you don't have other uses for it.

Another option is to use a PCI-E E1/T1 interface card in the
asterisk box, especially if you already have an E1 or T1 interface
in the KX-TDA600. I personally don't like buying smaller then a
dual T1/E1 card, as the price difference between a dual and a
single is so small.  If the KX-TDA600 is set-up for Analog/POTS,
you can use a channel bank on the second T1/E1 port, and feed POTS
into the KX-TDA600.

For a small installation that wanted to keep their Nortel Key
System, and their Telco really wanted to provide a PRI instead of
POTS (the Nortel could only take pots), we used a dual T1 PCI card
in an asterisk box, ran PRI on the Telco interface, an ADIT 600
channel bank on the second interface, and handed 4 POTS lines to
the Nortel Key System.

The key is to give your self the most flexibility to change later,
and preserve your existing investment.

-Harry


Thanks in advance,


Regards,

Ikka - Jakarta, Indonesia





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Re: [asterisk-users] Panasonic PBX connect to Asterisk

[Harry McGregor]

Hi,


On 09/13/2016 06:51 AM, Ikka Tirtawidjaja wrote:

Hi,

Is there anyone here who has experience connecting Asterisk (ver 13.8) 
with PBX Panasonic KX-TDA600 ?


The architecture more less like this :


Telco Sip Trunk ---> Asterisk 13 ---> Panasonic KX-TDA600 ---> Phone / Fax



What connectivity do you currently use for the KX-TDA600?  E1, T1, POTS, 
BRI?


Others have suggested a SIP to E1/T1 gateway, which would let you skip 
the asterisk box, if you don't have other uses for it.


Another option is to use a PCI-E E1/T1 interface card in the asterisk 
box, especially if you already have an E1 or T1 interface in the 
KX-TDA600. I personally don't like buying smaller then a dual T1/E1 
card, as the price difference between a dual and a single is so small.  
If the KX-TDA600 is set-up for Analog/POTS, you can use a channel bank 
on the second T1/E1 port, and feed POTS into the KX-TDA600.


For a small installation that wanted to keep their Nortel Key System, 
and their Telco really wanted to provide a PRI instead of POTS (the 
Nortel could only take pots), we used a dual T1 PCI card in an asterisk 
box, ran PRI on the Telco interface, an ADIT 600 channel bank on the 
second interface, and handed 4 POTS lines to the Nortel Key System.


The key is to give your self the most flexibility to change later, and 
preserve your existing investment.


-Harry


Thanks in advance,


Regards,

Ikka - Jakarta, Indonesia




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Re: [asterisk-users] 1000 analogue lines with asterisk

[Harry McGregor]

Hi,

All of the back and forth of Analog vs VoIP handsets tend to ignore some 
of the basic issues.


What type of cabling is in place, does it need to be upgraded to do 
Ethernet, etc.


The "gateways" can be handy if there are many closets where the wiring 
terminates AND you have Ethernet to these locations.  That being said 
you probably should have some amount of backup battery power any 
location you put a gateway.  You can also do this running your own T1 
lines to the closet and channel banks in the closet.


If all of the lines come back to the same place, you only have to have 
backup battery in a single location.


I have seen enough hackish VoIP deployments, that I can see many cases 
that Analog is cleaner.  For example, IBM Type1 cabling, can't run PoE, 
so they installed wall warts with each phone...


You also have to look at the use case.  Doing an "office" with Analog is 
very different then doing a phone in each classroom at a school, or even 
hotel phones.


The channel banks, even if you have to buy multiple to get the right 
cards, should average under $200 each, 8 port T1 cards are about $2K 
each, total cost to service 22x$200 + 6x$1000 = $10,400, or about $10 
per port, and you should be able to do it cheaper then this. This is of 
course using Ebay pricing, new would be much higher.


The gateways run about $25-30 per port, even for the lower end (like the 
Grandstream below).


Cabling costs depend greatly on location, around here it averages 
$100/drop in office environments, if your only doing one run to each 
room, it gets even higher, this is where the real cost of using VoIP 
handsets comes into play.


-Harry



On 02/17/2016 07:38 PM, Jeff LaCoursiere wrote:


That would be the expensive route.  The inexpensive route would be to 
buy FXS ethernet gateways, like this: 
http://www.voipsupply.com/grandstream-gxw4248. You could then get by 
with a single reasonably sized asterisk box (probably two setup as HA) 
and no need for expensive cards or complex channel bank setup.  We 
have done many hotels this way with great results.


j

On 02/17/2016 05:39 PM, chris wrote:


+1

spending money to get that many fxs ports is going to negate any 
savings of reusing analog phones instead of buying ip phones


1000 analog ports sounds like hell and if it was me I  would be 
embarrassed to have a setup like that tied to my name if I was a 
consultant etc. Someone will come in after you and ask who set it up 
and the customer will say you :)


On Feb 17, 2016 4:23 AM, "A J Stiles" > wrote:


On Wednesday 17 Feb 2016, Goke Aruna wrote:
> Hello all,
> Can someone recommend what hardware to use for a 1000 analogue line
> capacity asterisk PABX?
>
> Regards

A PCI express card with four primary rate ISDN ports, each linked
up to a
channel bank, will give you 120 analogue lines.  So you will need
nine such
cards; and for reasons of simple numbers of slots on a
motherboard, they will
have to be split among three or more servers, linked to a gigabit
switch.

You might end up getting a better deal if you bought 1000
hardware SIP phones.
(You also would probably increase your personal indispensability
factor, into
the bargain .)

--
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Note:  Originating address only accepts e-mail from list! If
replying off-
list, change address to asterisk1list at earthshod dot co dot uk .

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Re: [asterisk-users] 1000 analogue lines with asterisk

[Harry McGregor]

Hi,

For analog, I really like telco grade channel banks.

I would recommend the adit 600, there is a good market on Ebay, and you 
can do 48 channels per adit 600, with 2 T1 interfaces.  Having onsite 
spares would not be an issue (cost is low).  You can put two next to 
each other in a rack, taking up about 2U of space per 2 channel banks.


You could service this with six eight port T1 cards, or with 
eleven/twelve quad T1 cards.  I would distribute across two, three, or 
even four servers for redundancy/resiliency and load balancing.


-Harry

On 02/17/2016 12:16 AM, Goke Aruna wrote:


On Wed, Feb 17, 2016 at 8:14 AM, Mitul Limbani > wrote:


Sangoma 50 port FXS 




Thanks.
Will I now stack 20 boxes in order to achieve the 1000 FXS lines?
Regards




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Re: [asterisk-users] [OT] switches

[Harry McGregor]

On 02/24/2015 09:30 PM, Thufir wrote:

On Fri, 20 Feb 2015 13:05:56 -0700, Harry McGregor wrote:


For a very basic setup it would work, but I would suggest POE at a
minimum, and vlan support if possible.

Gigabit uplinks, 10/100 for the poe ports

http://www.amazon.com/NETGEAR-ProSAFE-M4100-D10-POE-Ethernet-Managed/dp/

B00AUEYX0Y/ref=sr_1_3?ie=UTF8qid=1424462577sr=8-3keywords=netgear+poe

and

Gigabit all ports



Hypothetical:  lag, choppy connection, dropped calls.  Of course, I'd
start with checking logs.  How would I establish that the problem is that
(some) of the ports aren't gigabit?

Small office, about five agents.


If your only running the phone on the port, there is no need for GigE to 
the phone, and many phones only support 100Mbit.


If your running phones with built in switches, a computer off the phone, 
and the phone supports GigE, the GigE will help keep the computer from 
overloading the total available bandwidth, but that is a very low chance 
of being an issue to start with.


GigE all ports vs GigE for your server, and 100Mbit for your phones 
really is not a major difference, but the price difference between the 
two is also very small now days, and you are buying equipment with a 
reasonable service life (3-8 years in my opinion), so it's a balance 
between a few extra $ now, or waiting and seeing if you want it in the 
future, and paying some amount of money to swap it out.


Most of the deployments I have done are with 100Mbit POE to the phones, 
and GigE for uplinks between switches and to the Asterisk server(s)


-Harry


thanks,

Thufir





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Re: [asterisk-users] [OT] switches

[Harry McGregor]

Hi,

For a very basic setup it would work, but I would suggest POE at a 
minimum, and vlan support if possible.


Gigabit uplinks, 10/100 for the poe ports

http://www.amazon.com/NETGEAR-ProSAFE-M4100-D10-POE-Ethernet-Managed/dp/B00AUEYX0Y/ref=sr_1_3?ie=UTF8qid=1424462577sr=8-3keywords=netgear+poe

and

Gigabit all ports

http://www.amazon.com/Netgear-ProSAFE-GS110TPv2-Gigabit-GS110TP-200NAS/dp/B00LW9A328/ref=sr_1_5?ie=UTF8qid=1424462577sr=8-5keywords=netgear+poe

-Harry

On 02/20/2015 12:58 PM, thufir wrote:

Pardon, this might be off-topic.  I'm reading:

http://en.wikipedia.org/wiki/Network_switch

For a setup of ~5 agents, would I be wrong in thinking that a generic 16
port unmanaged switch would fit the bill?

The first model to come up for me in an Amazon search is:

http://support.netgear.com/product/fs116



Is this a reasonable choice?  Would I be wrong in thinking that most any
Fast Ethernet switch would be fine for Asterisk?



thanks,

Thufir





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[Asterisk-Users] IBM eServers?

[Harry McGregor]

Hi,

Has anyone used a Digium PRI card in an IBM eServer x346?  I know that
Digium's website lists the x345 as having problems, but I am restricted
to buying only IBM eServers for this possible project.

I would like to use the TE411P

Harry

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Re: [Asterisk-Users] large analog to asterisk

[Harry McGregor]

As others have already posted about methods to reduce the number of T1s
into your Asterisk box, I will look at some other issues, and a differnt
angle.

On Fri, 2005-04-15 at 12:09 -0500, shane fowler wrote:
 we are looking at the ability of being able to convert large phone system 
 over to asterisk or if it's possible at all.  The building is two sections 
 containing a large office section (with data cabling) and the second section 
 is a hotel with no data cabling.  The first section is a no brainer with sip 
 hard and soft phones but the hotel part is where the problem lies.
 
 The current count of rooms in the hotel is about 600...that's at a minimum 
 600 analog connections.  Some rooms have 2-3 phones so as a rough number i'm 
 saying 700 total.  I see where some people use the Adit 600 to do up to 48 
 analog connections that trunks over 2 T1 connections back to asterisk but 
 for 700 phones thats 15 Adits with 30 T1'show in the world would you do 
 that??  just several asterisk servers with 2-3 Adits per server?  is there 
 any other way?  I'm open to suggestions.

Remember you are dealing with Analog lines here.  Most hotel rooms that
have 3 or 4 phones, only have 1 line.  They just have multiple
extensions of the same line.  A hotel room with one phone in the
bathroom, one next to the bed, and one on a table, still only needs one
DS0 from your Asterisk system.

Unless the hotel has a really large cable plant, each room probably hits
a wiring closet on it's floor.  I would use the channel banks, large
UPS, and a decent asterisk server (dual power supply, server quality
hardware, mirrored drives) with a Quad T1 card  (or two) for that floor.
I would then use dual Gig E to connect your system.  Probably to two
differnt GigE switches, each on different floors of the hotel.

A 600 room hotel would have at most 75-100 rooms per floor, which you
can easily handle with a single Asterisk server.  Per floor, even with
your Quad T1 card, you should be looking at $3000-3500 for the server,
$1K for the UPS (unless you Ebay the UPS), and then your channel banks.

The only issue here will be cooling for the wiring closet.

Harry
 Thanks..
 
 Shane
 
 
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Re: [Asterisk-Users] Getting a good deal on a PRI

[Harry McGregor]

PRI pricing really depends on where you are at.

It's best to talk with the CLECs in your area, I have done quite well
with TW Telecom in Tucson AZ.

I have used TW Versipak, which they do as a PRI T1 (fractional, of
course) voice hand over, and Ethernet Data handover.  Normally becomes
competative with DSL and POTS from Qwest around 8-10 voice line range.

Harry

On Thu, 2005-04-07 at 16:24 -0700, snacktime wrote:
 We have 10 incoming POTS lines to our offices, and a nortel norstar
 pbx.  I've been looking at replacing it with * at some point in the
 future, and the point that looks most cost effective is when we move
 to PRI.
 
 Problem is, I'm not really sure how to go about getting a good deal,
 or what questions to ask.  90% of calls will be inbound.  I called up
 Qwest and they quoted me $800 month.  I haven't called up any CLEC's
 yet to see what they can do.
 
 Any suggestions?  We are in Seattle, Washington.
 
 Chris
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Re: [Asterisk-Users] phones with two ethernet ports

[Harry McGregor]

Personally I would run the two Cat5 runs.

I am in a situation where we only have two cat 5 cables into each
office.  Once (if) we start our VOIP deployment we will be using Zultys
4x4 phones with 3 10/100 ports (802.1q capable switch built in) on one
office port, and the other will be for the researcher's main desktop
on our gigabit switches.  I would love to be able to connect more
systems at Gig, but putting a small gig switch in each office is cost
prohibitive, and a management nightmare.

Try finding a VOIP Phone that does gigabit... Won't happen for a while.
Cable is cheap when you look at the cost of running the cable.  If you
use two boxes, it will take virtually the same amount of time to run two
as it does to run one.

Harry

On Sun, 2005-01-02 at 16:35 -0500, Erick Perez wrote:
 Hi there, what phones are available that have two ethernet ports?
 I want to do some cabling at a new installation and i heard there are
 such phones (SIP i guess) out there. That way i dont have to run two
 cat5 to the user desktop.
 I think 3COM had one but can't find the web site reference for the two
 port phone
 
 thanks,
 
 erick
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Re: [Asterisk-Users] Question about remote POTS lines

[Harry McGregor]

Maybe the Zip 4x5 phone would work well for you.

We have been playing with the 4x4 and like it quite a bit.

http://www.zultys.com/ZIP4x5.htm

Harry


On Mon, 2004-11-15 at 17:57 -0500, Jim Dossey wrote:
 I have a client who asked me about a situation they have.  They have a
 main office and 3 remote offices.  We are installing an Asterisk
 server at the main office with SIP phones in the remotes.  Each remote
 office only has 1 person.  The remote offices currently have a POTS
 line that has a published number.  They want to keep that number.  The
 problem is that they would like to somehow link those remote POTS
 lines back to the main office, so people in the main office can answer
 their calls when they are away.  They could install an asterisk server
 in those remote offices and link them back to the main office, but
 that seems like overkill for a single POTS line.
 
 Any ideas? 
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RE: [Asterisk-Users] Cordless vs Wireless phones

[Harry McGregor]

On Mon, 2004-11-08 at 16:27 -0600, Michael Giagnocavo wrote:
 The WiSIP phone supports WEP 128 encryption. Not sure if it supports WPA
 encryption, but that'd be your best bet. I'd use maximum encryption, and
 separate your AP from your regular network. Just plug an AP into another
 Ethernet card on your Asterisk server. The phones only need to talk to the
 Asterisk server, no internet access or anything else. So even if somebody
 spent the time it'd take to break the encryption, they don't get internet
 or
 access to workstation or servers or anything. 
 
 WEP is quite broken. Probably not even worth enabling, even with 128-bit key
 lengths. Then again, if they are using analog cordless phones, those are
 probably purely unencrypted, so it's pretty much the same.

WEP is not as broken as you might think, it takes a fair amount of time
and traffic to break.  It is also statement of this network is not for
you, and thus you have a far better claim at breaking and entering that
you do without wep.

Think of it as a dinky little $0.50 padlock on your storage shed.  If a
thief cuts the lock, they are in a lot more trouble than just opening
the door.

Separate WLAN (ie not with your normal phones, and not with your
workstations), and WEP (even 64 bit) will keep people out of it.  Not
having a default route as well will help if they do break in, and MAC
address locking on the AP is another good one to use.

All of these together, like car thief's, will drive the person on to the
next AP, instead of working on breaking into yours.

Harry

 -Michael
 
 -Original Message-
 From: [EMAIL PROTECTED]
 [mailto:[EMAIL PROTECTED] On Behalf Of Kubat, Philip
 Sent: Monday, November 08, 2004 2:19 PM
 To: 'Asterisk Users Mailing List - Non-Commercial Discussion'
 Subject: [Asterisk-Users] Cordless vs Wireless phones
 
 We currently have an Asterisk installation and need to add cordless /
 wireless phones.  Requirements are these phone need to be equals to the
 wired devices, i.e. dedicated buttons for hold, transfer, etc. , e.g. not
 an ATA connected analog phone cordless phone.  Was thinking of using 802.11b
 SIP phones (etc), but this opens up all the security concerns of 802.11 and
 the network.  Do any of these phone support VPNs?   Have to isolate the WLAN
 from the LAN.
 
 If not is there a SIP (or any other Asterisk channel) device that is a
 cordless  phone.  Some things like combining an ATA w/a cordless phone?
 But as one device with all the digital features?
 
 Thanks!
 Phil
 
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Re: [Asterisk-Users] [OT] Old Building Needs a New Telephone System

[Harry McGregor]

802.3AF calls for power to be on the data wires

http://standards.ieee.org/getieee802/download/802.3af-2003.pdf

Table 33C.1 and 33C.2 on page 90 clearly states that in mode A

Terminal A is on pin 3
Terminal B is on pin 6
Terminal C is on pin 1
Terminal D is on pin 2

There is a mode B which uses 4,5,7,8

Endpoint based POE may support either A or B, while midspan can only
support option B (Page 29).

Harry

On Mon, 2004-11-08 at 13:53 -0700, Kevin P. Fleming wrote:
 Paul Rodan wrote:
  It actually uses 2 wires for positive and 2 wires for ground/negative? So
  it's combing 2 wires (instead of 1) to deliver more power? 
 
 I believe so, although apparently there is a configuration where the 
 power is present on the data wires instead... I've never seen that though.
 
  Which 2 are positive and which 2 are negative/ground? 
 
 I do not know for sure... I'm looking at a page that says 4/5 are 
 positive, and 7/8 are negative. It must be correct, because it's a page 
 on how to build your own injectors/splitters :-)
 
 http://www.nycwireless.net/poe/
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RE: [Asterisk-Users] Re: Benjk's Question Why FXS

[Harry McGregor]

On Mon, 2004-10-25 at 16:15, Reid A. Forrest wrote:

 I may be wrong, but from what I've seen so far, an FXS port will run you
 about $100/port anyway, plus the cost of the analog device. At this price, I
 can't see any reason not to dump the analog and go with a cheap VOIP device.
 Even the lowest end (i.e. Grandstream) will give you more functionality than
 most analog phones at the same price. Now if you have a source for cheap or
 free channel banks, that's another story.

The cheapest VoIP phone won't get you PoE.  I expect my phones to be
powered when the AC power is out.

The only way to do that is with PoE or FXS and channel banks, and good
UPS in your closet.  Putting a UPS on each user's Grandstream just is
not effective.

Anyone that does not include power calculations in the VoIP projects is
not doing their homework.

I would love to see a good cheap phone with 802.3af, but they have yet
to come out.  We have been looking at the Zip 4x4, as it's about the
best of the lot.  We tried to look at the UIP200, but it was not even
readily available.

I could go for a $100 granstream with PoE VS a $65 Grandstream without
it.

Harry
 
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RE: [Asterisk-Users] Generic X100P's

[Harry McGregor]

Mike Sandman has them for about half of that, and he also have a 50 pair
one as well.

http://www.sandman.com/pdf/Page50.pdf


Harry

On Wed, 2004-10-13 at 11:06, Steve Edwards wrote:
  How much does the break out box cost?
 
 They call it a mini patch panel which sounds a bit more descriptive 
 than a breakout box.
 
 I paid $108 which seems steep, but telephony stuff always does :)
 
   http://www.phonegeeks.com/noname1.html
 
 On Mon, 11 Oct 2004, Geoff Nordli wrote:
 
  [EMAIL PROTECTED] wrote:
  Is a breakout box like a BIX?
 
  I don't know, what's a BIX? Googling a bit it looks like a BIX may be
  related to or the same as a 66 punchdown block?
 
  The item I referred to as a breakout box is a plastic box
  with an AMP50
  connector on the side and a 5x5 array of rj11's on the top.
 
  On Mon, 11 Oct 2004, Geoff Nordli wrote:
 
 
  I chose a breakout box for my on-the-road demo kit. You may already
  have a 66 block or a 110 block wired up.
 
 
  Is a breakout box like a BIX?  If not can you tell me what it is?
 
  Thanks,
 
  Geoff
 
 
 
 
  Yes, a BIX is a punchdown block -- at least I am pretty sure that is what it
  is.   I am sure if it isn't then I will be corrected.
 
  How much does the break out box cost?
 
  Geoff
 
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 Thanks in advance,
 
 Steve Edwards  [EMAIL PROTECTED]  Voice: +1-760-468-3867 PST
 Newline   [EMAIL PROTECTED]Fax: +1-760-731-3000
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Re: [Asterisk-Users] IP Phone recommendation

[Harry McGregor]

On Mon, 2004-07-19 at 09:04, Yiannis Costopoulos wrote:
 Hi,
 
   I am looking for some affordable IP Phones. Any experiences with the
 SipToneII by ipDialog?

So far our experience with the IP Dialog SipToneII is not good.  It
locks up after hang up on us, and just does not play nice.  If anyone
has any suggestions on how to get it working, we are all ears.

The IP Dialog phone is running $200, while the Zip 4x4 is running
$280-300 (depending on qty).  We are deploying ~60 phones.  Originally
we were going to try and do 20 Uniden UIP200 and 40 Zip 4x4.  We were
unable to get our hands on a Uniden, and found that it would not even be
available for an august deployment, so we decided to try the IP Dialog
phone.  The Uniden would have been a very worth while cost savings, as
it's $150 and the Zip is $280 for our qty, but the $80 savings of the IP
Dialog is not worth it to us.

Harry

   What about soft phones? Any recommendations there (for Windoze and Linux)?

Have not tried it but what about PhoneGaim?

 Thanks,
 Yiannis
 
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University of Arizona - Environment and Natural Resource Building
520-670-5574 (office) - [EMAIL PROTECTED]
520-661-7875 (Cell) - [EMAIL PROTECTED]

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Re: [Asterisk-Users] LAN Switch w/ QoS

[Harry McGregor]

I have been quite happy with our HP 2848 GigE switches that we put in
for our desktops a few months ago.  I have also used the 2650 48 10/100
+ 2 GigE switches before.

We are looking at the 2650-PWR for our VoIP deployment (only about 60
phones for our USGS/U of A mixed department).

Harry

On Sun, 2004-07-18 at 19:39, Scott Laird wrote:
 On Jul 18, 2004, at 7:14 PM, [EMAIL PROTECTED] wrote:
 
  On Sun, 18 Jul 2004, Michael Welter wrote:
 
  Does anyone have a recommendation for a 48 port LAN switch for a new *
  system?  I'm not happy with NetGear's reliability.
 
  You can get Cisco 2950s for about $600/24 ports.
 
 And 48 ports from Dell for about the same price.  I haven't used any of 
 their latest round of switches, but their older ones were decent for 
 the price.  Cisco's switches are almost certainly better-made, but 
 Dell's not *usually* that bad.
 
 
 Scott
 
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Re: [Asterisk-Users] Special Delivery from China

[Harry McGregor]

Does it support 802.3af Power over Ethernet?

Harry

snip

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University of Arizona - Environment and Natural Resource Building
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The opinions/statements expressed herein are my own and should
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University of Arizona or the U.S. Geological Survey.

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[Asterisk-Users] New VoIP deployment.

[Harry McGregor]

Hi,

We are looking at deploying Asterisk for about 60 phones.  Since we are
in a public building, and are a mixed university and federal unit, we
must have our phones up near 100% of the time.  Currently we have ~60
POTs lines.  I am working on moving us to DIDs with a single PRI feeding
us.  The reason this came up, is that we are planning on growing to over
150 users within the next 2-3 years.

My idea is to have a well planned/tested Asterisk server, with a spare
on hand (identical, including the digium quad T1 card).

We are looking at HP 2650-PWR switches (one of each floor, each with ~30
VoIP phones).  For UPS power we are looking at an APC 2200XL-NET with a
large extra battery (the big APC one), for each switch, and one set for
the server.  Our data switch infrastructure would also be on the
2200XL-NET, but we are using HP 2848 Gigabit switches, and the power
draw is much less than the 2650-PWR.

Two areas that I am running into trouble with is either some FXS/VoIP
gateways or a channel bank, for 9 analog devices (6 on the first floor,
3 on the third floor), 7 of which are fax machines.  We can probably put
a channel bank in on the third floor, and run the analog devices on both
floors).

Phones.  We are looking at either a mix of the Uniden 200 and the Zip
4x4, or all Zip, or all Uniden.  I have looked at others but the Snom
205 is not much cheaper than the Zip 4x4.  We need 802.3af PoE support. 
Multi line would also be quite useful.

Does anyone know if the problem of not hearing dialed digits during a
call still exist with the Uniden.  I can probably get enough budget to
do all Zip 4x4 phones, but I want to know real world experiences with
the two, before I push it one way or the other.

Before we make a full decision, I am going to bring one of each in
house.  Any other suggestions or recommendations would be handy.  Both
myself, and our systems programmer (him more than me) have worked with
Asterisk before, but not for such a deployment.


Harry


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Tucson Center Support Group - U.S. Geological Survey
University of Arizona - Environment and Natural Resource Building
520-670-5574 (office) - [EMAIL PROTECTED]
520-661-7875 (Cell) - [EMAIL PROTECTED]

The opinions/statements expressed herein are my own and should
not be taken as a position, opinion, or endorsement of the
University of Arizona or the U.S. Geological Survey.

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Re: [Asterisk-Users] Channelbank Recomendation and GS102 question

[Harry McGregor]

On Fri, 2003-12-05 at 10:18, Walker Haddock wrote:
 On Thu, Dec 04, 2003 at 08:15:21PM -0500, Jim Flagg wrote:
  - Original Message - 
  From: Walker Haddock [EMAIL PROTECTED]
  To: [EMAIL PROTECTED]
  Sent: Thursday, December 04, 2003 7:54 PM
  Subject: Re: [Asterisk-Users] Channelbank Recomendation and GS102 question
  
  
   We have an installation with 9 inbound voice channels (one is the fax) and 768K 
   data.  It is a Hybrid PRI.  It terminates into a
  T100P.  It is working great!  The cost was better than the POTS plus data.
  
  Can I ask what Telephone/Internet service provider you are getting this from?
  Does anybody else have a setup like this?
 
 Xspedius

I know that Time Warner Telecom (www.twtelecom.com) also provides a
mixed data/voice burstable PRI T1 with their VersiPak service.  I have
installed a number of both channelized/channel banked VersiPaks and one
PRI versipak (though it was not with Asterisk, it's connected to an
InterTel system).  The non-PRI based versipak is a bit cheaper, but you
don't get the PRI abilities.  They will do channelized hand over via T1
or will break out to POTs for you.

It's really a nice product, and well priced.  For one client, we picked
up a 12 Voice channel/ 768K Internet PRI with data burstable almost all
the way to 1.544mbit based on voice channel use.  Voice hand over was
via a single PRI, and data hand over was via fast eithernet.  Pricing
with a 3 year contract was below $800/month, in Tucson AZ.

Harry

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[Asterisk-Users] ISDN, BRI, PRI, voice over IP, and more...

[Harry McGregor]

Hi,

I am thinking of starting a project at Work to pilot to use of Astrisk
and VOIP, and would like to tie in several projects together.

Currently we are looking at purchasing an ISDN and H.323 based video
conferencing system from Polycom.  It suggests the use of 3-4 BRI lines
(ie 6-8 B channels, but in the form of individual BRIs).  We need ISDN
for the video conferencing to communicate with the Department of
Interior conferencing system.

Also we are looking at setting up a US Robotics Total Control V.90 modem
rack for field users to be able to dial into the network.  We can feed
it with a few analog lines and run it at V.34, but would prefer to use
the PRI card and feed with a few channels.  We are only looking at using
about 4 modems at once, at the absolute most.

I can bring in ISDN BRI lines from Qwest through University Telcom, or I
can bring in a single PRI via any number of CLECs, and have the
University transport it to us.  The PRI would be far cheaper in the long
run.  The problem is finding a way to split the PRI, and Astrisk looks
like it might be it.  I also want to start deploying VOIP phones in a
pilot project, and need circuits for it.

From reading the archives I have learned that a 4 port T-1 card can
accept an incoming PRI and give an outgoing fractional PRI for a modem
rack, but I have not been able to find any information about serving
ISDN BRI circuits.  If the Polycom unit would accept a fractional PRI I
would be set, but it does not appear to have that option.

Does anyone have any information they can share on this?


Harry
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Tucson Support Group - U.S. Geological Survey
University of Arizona - Environment and Natural Resource Building
520-670-5574 (office) - [EMAIL PROTECTED]
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The opinions/statements expressed herein are my own and should
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Re: [Asterisk-Users] ISDN, BRI, PRI, voice over IP, and more...

[Harry McGregor]

Thank you for the reply, please see questions in-line.

On Thu, 2003-11-27 at 18:36, Steven Critchfield wrote:

snip

 I noticed that some of those Polycom units supported V.35 connections.
 You could possibly get a V.35 card for your asterisk computer and split
 the channels off to the V.35 similar to how the ZapRas works. I don't
 know if that will work though.

Ok, I will look at the V.35 options.

 Another route would be to help hack up the libpri code to support the
 3DSO or Brite signaling to support ISDN lines of T1. CAC has ISDN cards
 for the ADIT600, and I'm sure there is an equivalent for Adtran.

So you don't know of any support to use a ISDN4Linux or similar card as
an ISDN FXS port?

I have found a device that will take a single PRI and break it into
multiple PRI and BRI groups, but it is quite expensive.
http://www.patapsco.co.uk  I was looking at the Liberator 1PxB and
Liberator 2PxB

 As far as the breaking of a few channels to the Modem rack, that is
 easy. Just pick a DID number for asterisk to route the call via and send
 it down one of the second channels. You could ideally set it up to have
 all channels active instead of a fractional PRI up. This would let you
 surge up to whatever your demand needed. It is also probable that when
 your mode needs where high that your office needs are low and it would
 let you use the channels more effectively. Remember you only route on
 the channel, it isn't like each channel is a phone number. Any of the
 channels could be any of the numbers.

Sounds great.

 The VoIP would easily fit into that setup also.

Perfect.  We are looking at providing some remote telephone connections
for our telecommuting users.

  Not to mention that if
 anyone wanted to loan you other equipment to test out, asterisk could
 provide a PRI connection to it also. 

Harry

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University of Arizona - Environment and Natural Resource Building
520-670-5574 (office) - [EMAIL PROTECTED]
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The opinions/statements expressed herein are my own and should
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