[Asterisk-Users] Open G.729A codec

Mark Spencer markster at digium.com
Wed Aug 13 05:55:33 MST 2003


> The codec bit rate isn't that important in RTP streams. The RTP overhead
> for a low latency stream is *huge*. The overall difference between
> 13.2kbps 06.10 and 8kbps G.729 is much less than those bit rates imply.
> If you want to avoid G.729 iLBC or Speex are worth a try. iLBC has some

Right but with IAX2 that's not true, it's very important since IAX2
trunking overhead asymptotically approaches 4 bytes per channel.

Mark




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