[Asterisk-Users] 2 IAX2 calls, bad audio

[Ing. Angel Gomez Garcia]

Ing. Angel Gomez Garcia wrote:

>
>    Good evening all.
>
>    I'm having this strange behavior when dialing two or more 
> simultaneus calls via IAX to other * boxes. Sound starts to have more 
> latency, wich increments until it's almost impossible to talk (6 or 
> more seconds), I try this calling with two grandstreams, one 
> grandstream one tdm410p, one tdm410p and sjphone, sjphone and one 
> grandstream, the result are similar.
>
>    I have only gsm and g729 enable in iax.conf ( no g729 license... 
> yet ), if I hangup one of the two calls, latency goes down to almost 
> none.
>
>    The strange thing is that one of my friends tryed calling me with 
> one grndstream and one XLite and that combination does not seem to 
> increase latency, but if he calls me with two granstream he has the 
> same results.
>
>    I also try calling 2 different * boxes, and the results are the 
> same, continuos increasing latency.
>
>    Has someone look at similar results ?
>
>    Thank's.
>
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Followup.

Made a change in the grandstreams, Voice Frames per TX = 20 (it was 2), 
IP QoS = 100 (it was 48), and now there is no degradation when I call 
from the grandstreams.
However, when I dial from my tdm410p... same story, latency starts 
increasing steadily.

:-\