Kamailio: route[rtpengine_invite] { if (has_body(“application/sdp”)) rtpengine_manage(“codec-mask=telephone-event transcode=PCMA always-transcode”); } route[rtpengine_answer] { if (has_body(“application/sdp”)) rtpengine_manage(“always-transcode”); } Demo for transcoding from telephone-event – to in-band and vice versa Full kamailio.cfg #!KAMAILIO # # Kamailio (OpenSER) SIP Server v5.2 – default configuration script # – web: https://www.kamailio.org # – git: https://github.com/kamailio/kamailio # # Direct your questions about this […]