[sipxtapi-dev] negotiation of audio codec
Hi all,
I have a question concerning negotiation of audio codec.
I’m using codec_pcmapcmu included in sipXtapi. If I make a direct connection
between two softphones using sipxtapi, the negotiated codec is PCMA. The voice
quality is good! But by making a connection over an Asterisk server, the codec
PCMU was negotiated. The voice quality is really bad. It sounds interruptedly,
and the pitch of the voice seems to vary irregularly. Something didn’t match.
Does someone have an Idea what the cause could be?
Perhaps I can influence the codec negotiation, so the PCMA codec could be
used-> is it possible?
Thank you very much for a solution!
Regards
Karsten
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