Unfortunately this did not work for me. The Asterisk system allows me to set the allow/disallow codecs, so I disallow all and then allow ulaw. No change, tried to allow all in the asterisk, no change, I can still dial the autoattendant but not any extensions. From the Sipxecs system I can still dial any of my Asterisk stations.
From: Jhony Perez [mailto:jpe...@zbzoom.net] Sent: Monday, May 18, 2009 10:05 AM To: Dale Worley Cc: sipx-users@list.sipfoundry.org Subject: Re: [sipx-users] SipXecs 4 with Cisco gateway issues - Resolved Dale Worley wrote: On Mon, 2009-05-18 at 10:18 -0400, Jhony Perez wrote: After trying many things I found what I think it was the last piece of the puzzle, on the Cisco gateway dial-peer (call leg) that points to the SipXecs, I specified what codec to use, G711 and now I'm able to call just fine. After doing some research I found that the Cisco gateway defaults to G729, don't know if 4.0 has built-in support to G729 but that seems to have fix my issue. The Cisco should be set up to offer (and accept) any codec that it supports. You shouldn't be configuring it to use only one of the codecs that it can use. Dale I didn't specify that on the incoming dial-peer but only on the outgoing to SipXecs, incoming it is up to the calling side to propose what codec to use based on what's configure as the prefer codec. After troubleshooting my issue, I found that with SipXecs 4.0 unless I specify G711 as my prefer codec, everytime I call from a handset connected to the Cisco CME to a handset connected to the SipXecs 4.0 I'd get fast busy but as soon as I set up the prefer codec on the Cisco to G711 it works. I'll try removing this and adding it a few times including setting the prefer to G729 and see what happens, if anything would be good to know. I'll keep you all posted.
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