[asterisk-users] IAX2 trunking scalability

[Andrew Joakimsen]

On 8/25/07, Jean-Michel Hiver <jhiver at ykoz.net> wrote:

> I'm already receiving the calls as g.729, so there is little gain
> (slightly less bandwith usage, slighly worse sound) in doing g.729 ->
> g.723 transcoding - while doing IAX2 trunking vs NOT doing it seems to
> half the bandwith requirement.


Main point was CPU usage. Even if you "receive" the calls as G729 then
you need to transcode to Alaw and transcode all the alaw from the E1
to G729.

Unless somehow you have an E1 using G729!