Comments on: Voice Lab – Adding a physical router

By: Andrew

Andrew — Mon, 22 Aug 2011 20:01:27 +0000

I am putting togather the materials for this, but all the ATA’s I have found do not have FXO ports only FXS ports. Can you help

By: Josh

Josh — Wed, 13 Jan 2010 07:42:00 +0000

Amal,

Thank you for sharing your experiences!

Josh

By: Josh

Josh — Wed, 13 Jan 2010 07:41:01 +0000

athmpo,

I don’t think more configuration is necessary. Connection plar and a voip dial-peer are about as simple as it gets.

Josh

By: Josh

Josh — Wed, 13 Jan 2010 07:36:03 +0000

Usman,

You would need a voip trunk. Most likely sip. There is not a way to emulate physical voice interfaces.

Josh

By: Josh

Josh — Wed, 13 Jan 2010 07:34:55 +0000

ak76 & Stev,

The fxo disconnect is a commmon problem.

Take a look at this:

http://www.cisco.com/en/US/tech/tk652/tk653/technologies_tech_note09186a00800ae2d1.shtml

Josh

By: Amal

Amal — Sat, 19 Dec 2009 19:52:43 +0000

hi Jon and Josh,
Me too had the same memory-requirement problem for CME. But I solved it. Here is the way to do it.
1. Extract the tar file using 7zip or winrar.
2. Open the extract. There will be a folder named Phone. Open it. In it, delete all folders except the one which contains the name of your ip phone as folder-name ( The folder “7940-7960″ in my case).
3. Repack the archieve to tar format. Now its size will be only around 4MB (in my case), which, the memory of the router can accommodate.
4. Copy the archieve to router.

Hope it helps.

And dear Josh,
Thanks a lot for setting up and maintaining this PRECIOUS site. The labs are simply amazing. Your work is inspiring and helping a lot of people. May God reward you with his blessings.

By: athmpo

athmpo — Sat, 17 Oct 2009 22:20:01 +0000

Hi Josh
i used a 2620XM ( Scenario 1#) with the NM-2V module and the FXO and FXS cards and an analog phone but it didn’t work.Is it possible that it needs more configuration at the FXO port, or at the FXS ports?I also made two other dial peers for the FXO port to forward calls calls to my PSTN and they work fine.But when someone tries to call me my phone doesn’t ring.What could be the problem?

By: Stev

Stev — Thu, 16 Jul 2009 14:38:14 +0000

HI ak76,

I have the same problem with calls coming in on an fxo port. plar is configured to send it to an ext but after the call hangs up the extension keeps ringing?

Any ideas

By: Usman

Usman — Wed, 01 Jul 2009 18:40:31 +0000

I want to know if we can emulate dial up using virtual router? kindly tell me because i have to make an ISP as my FYP uing vertual routers in dynagen dynamips.

By: ak76

ak76 — Sun, 26 Apr 2009 11:03:18 +0000

Thanks for response Josh. Apparently changing filter resolved the issue. I got another issue. When i call my home from say a mobile phone the analog phone does ring but if i disconnect that call from my mobile the phone still keeps ringing which is kinda weird. i have to answer it (silence on pickup) else it just keeps ringing. Any ideas?