Back to basics today - A recent adventure working with FreeSWITCH and Codecs incompatibility.
A quick look at a possible cause for “INCOMPATIBLE DESTINATION” errors in FreeSWITCH.
Back to basics today - A recent adventure working with FreeSWITCH and Codecs incompatibility.
A quick look at a possible cause for “INCOMPATIBLE DESTINATION” errors in FreeSWITCH.
Without knowing much about FreeSWITCH, then your log output strongly suggests that you have a codec mismatch between the two parties.
It looks like one side supports GSM-FR and the other side supports Opus/G722/G711ulaw/G711alaw. You will need transcoding to make that call go through.