[asterisk-users] Outgoing phone calls muffled

jg webaccounts at jgoettgens.de
Tue Nov 26 14:37:20 CST 2013

Format = ulaw says that it is not a codec problem.

You should try to get audio samples of both channels and look at the frequencies (e.g. with 
Audacity). Maybe a quick check with "sip show channelstats" could also help whether there is a 
network problem, but "muffled" doesn't sound like there could be a network problem.


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