[Asterisk-Users] 7940 & AS5300 codec issues/questions G.729 & G.711

[Low, Adam]

I've previously been using G711alaw on both the AS5300 and the phones but feel the need for a less bandwidth hungry codec for those users that are connected behind ADSL and so was investigating G.729 but ..

Firstly I found that on my AS5300 I have either G.729r8 or G.729br8 and on the 7940 phones I have G.729a, I'm not sure which interoperate the best with each other and so was wondering if anyone call tell me if they have similar setups with this working and if so which codec they choose for the AS5300 ...

When comparing the G711alaw against G729a I did not expect to have so many breaks in the sound when using G729a and wondered if others had experienced this. I would expect G729 to be a lesser overall quality and sampling rate but not to effectively lose some speech altogether ...


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