CUCME 7.x, G722 and ISDN calls

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Oct 1st, 2009
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Hi, is there a config possible in CME7 where IP phone to IP phone uses G722, but calls in/out of the ISDN connection establish with G711 to IP phones? It seems once you enable G722 on CME, all VoIP legs only establish with G722 and do not dynamicaly change. ie, you need xcoder for playing the G711 MOH to ISDN or IP Phones stuck at G722. Using call manager I can controll codecs on all legs with regions and VoIP dial peers. Given that CME is on a single router I'm not sure how to configure this?

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KonradStepniewski Thu, 10/01/2009 - 23:27
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What about using codec command under dial-peer? You can then specify PSTN calls with G711 and other destinations.


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