Why I cannot configure the codec g729a & g729ab at dial-peer voice or voice codec class in AS5350XM.
I noticed in the datasheet in this link for IP-IP GW,
all codec for G729 are supported.
In some models you configure that under voice-cards. Others support flexi complexity and it's all automatic. You are never presented the choice of annex a or not with cisco gateways.
However, if you're using SIP, there are special cases:
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