Am 28.05.2010 16:17, schrieb Jeff Brower: > Cem- > >> is there any way to send ptt commants (key& unkey) to asterisk >> with pjsip? > > Klaus mentioned one way (custom RTCP). > > Are you using handsets with a special key? Otherwise, possibly you can assign standard keys and then use DTMF > detection in Asterisk. Yes, of course - it depends if you just need any kind of self-made PTT system or if you want to build PoC PTT. regards Klaus