[cisco-voip] iLBC and Gateways

Ryan Ratliff rratliff at cisco.com
Mon Dec 22 11:18:01 EST 2008


What type of gateway is it?  If H.323 make sure iLBC is either set on  
the voip dial-peer or in a codec class applied to the dial-peer.

If MGCP check out http://www.cisco.com/en/US/docs/ios/12_4t/12_4t15/ 
it_amrnb.html.


-Ryan

On Dec 22, 2008, at 11:06 AM, STEVEN CASPER wrote:

Doing some testing with iLbc. I can place a call from IP phone (7962)  
to IP phone 7962 using iLbC and 7962 to IP Communicator 7 and I see I  
am using the iLBC codec on each end of the connection. I negotiate  
G729 when I use a gateway to reach the PSTN.  Far as I can tell all  
is set up correctly with my regions, locations, device pools etc. Is  
iLBC supported in the following path between the phone and gateway?

7962 --IP------2851-------PRI-------PSTN

Gateway is running 12.4.20T and CUCM is 6.1.1

Thanks
Steve
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