Hi all,I have the exact same problem with my Grandstream phones (Snom's are fine) and others have reported it as well with GS phones but this is the first time I have heard of this problem in X-Lite..
I have my asterisk setup as following:
IP 2 x E1 x-lite <-------> Asterisk -------> PSTN
When I place a call from x-lite to PSTN, the quality of the sound in the direction x-lite -> PSTN is very bad. That is, the voice of the x-lite user, heard by the PSTN user is choppy and makes communication not very pleasant. The sound is choppy as if bits of data were lost. The strange thing is that the x-lite user hears the PSTN user fine !
In x-lite, I have swithed off sience detection (transmit silence - yes), this has improved the sound quality but did not eliminated the problem. I have fed a countinious sound into the microphone and still got chops in the sound. I have also tried changing the codecs gsm, alaw, ulaw - but I get the same problem with all of them. Maybe the problem lies somewhere in audio buffering settings on x-lite ?
Has anyone ever had this sort of problem and managed to deal with it ? I would greatly appreciate your help !
Best regards,
Dave
All I can suggest is that you use the latest version of x-lite and see if it helps, other than that I have not been able to find the answer..
Good luck, and if you find a solution let us know..
Later..
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