No, I don't do transcoding, I've disabled all the codec except for the g729.
But in my last test I've found out what is the problem (not yet how to solve it) I make all my calls through a php agi, this old script works well on asterisk 1.4 and I want to move on 1.8.
Just for test I've created three different (simplest) scripts:
1 - stream a file codified in g729
2 - make some mysql queries and stream the file
3 - make an http hit and stream the file
I stream an audio file to create calls that last some minute and test also the audio quality, I don't know if there's a better way.

Anyway, if I use one of this 3 agi (also randomly) I'm able to establish up to 2500 channels with a perfect audio.

If I use my old agi I could establish just 74 channels. I'm going mad on this because the number is not variable, is not one time 80 and the other 70 and sometimes 88, it's always 74. The old agi script is a little longer than my test scripts, but it make the same things. I could accept the loss of some channels, but from 2500 to 74 there is a difference a little too big.


On 02/04/2012 00:37, Matt Riddell wrote:
How many g729 licenses do you have?  You sure you're not transcoding?

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