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Cisco CME SIP Trunk w/ SIP Phones trying to register to trunk

Posted on 2013-01-18
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Last Modified: 2013-01-18
I am trying to switch my Cisco CME from Pots lines to a SIP Trunk from Broadvox.  After some trial and error I am able to make and receive calls with excellent two way audio.  Broadvox is saying that they are receiving register messages from the phones themselves and not just the CME.

From: <sip:212@XXX.broadvox.net>
To: <sip:212@XXX.broadvox.net>
CSeq: 2371 REGISTER

I had previously had trouble with one way audio, inside phones could hear outside phone audio but not the other direction.  I was able to acheive two way audio by removing:

 bind control source-interface GigabitEthernet0/0.10
 bind media source-interface GigabitEthernet0/0.10

I am also having a problem now that I can no longer reach my Exchange 2010 UM on extensions 800 or 801 ip 10.10.10.10.

Am I binding SIP incorrectly?  Do I need to configure a loopback and bind to that?
RunningConfig-Sanitized.txt
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Question by:IntegratedBizTech
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Accepted Solution

by:
agonza07 earned 2000 total points
ID: 38795745
You need to bind at the dial peer level instead of global.

Broadvox calls need to bind to the WAN interface.

Exchange calls need to bind to the interface you configured it for. Prob your g0/0.10

http://www.cisco.com/en/US/docs/ios-xml/ios/voice/sip/configuration/12-4t/Configuring_SIP_Bind_Features.html
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Author Closing Comment

by:IntegratedBizTech
ID: 38795795
That was exactly what I was looking for!  I searched the internet for hours trying to figure out how to bind the dial peers seperately.

The Exchange issue was just a typo.  I had dns:10.10.10.10 instead of ipv4.

Thanks!
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