Bad sound in mobigater time to time

Hello!

I am using mobigater S4 on Asterisk 1.4x version and i have some problems:

1) All works fine, but some times sound in both direction became destorted. i can't understend what is the reason. In practice it looks like i make a call and all sound is good.i drop call. Make another call little later sounds terrible. no rule to undestend why it because it's not allways it's time to time problem.

I have found some interesing thing: when sound is bad network load is about 10%, but when sound is good network load only 0,7%.

2) When operator1 make a call from mobgater1 and at the same time operator2 make a call from mobigater2 both operators hear audio from another celliax channel - operator1 hear audio from mobigater1 and mobigater2 and operator2 hear audio from mobigater1 and mobigater2. Audio distorted. Its longs for 10-20 seconds after that asterisk going down.
Mobigater can't make a two concurent calls at same time or problem some else?

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Celliax configured like recomended, alsa volumes normal.
I have tried different celliax drivers (and current version too).

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bad sound time to time 1

Dear r1

the problem 2) is maybe that you have the same sound devices for both lines in configuration file

the problem 1) maybe comes from the same reason

would you like to follow the instruction on
http://www.gsmopen.org/howtobug

and post here all the debug information needed to understand the problem? All debug info for problem 1) and in a separate post all debug info for problem 2).

Mobigater S4 is known to give audio problems if you do 4 concurrent calls, but up to 3 concurrent calls it would probably works

sound device is defferent

Sound devices is different and i have test it many times.
I will post needed debug info little later, thanks.

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