Standard Messages
From Yate Documentation
Engine messages
engine.start engine.stop engine.halt engine.init engine.busy engine.help engine.command engine.status engine.timer engine.cipher module.update
Channel messages
chan.attach chan.connected chan.disconnected chan.dtmf chan.hangup chan.masquerade chan.notify chan.record chan.rtp chan.startup chan.text chan.connect chan.locate chan.control chan.replaced chan.transfer
Call messages
call.answered call.cdr call.drop call.execute call.progress call.ringing call.route call.preroute call.update call.conference mwi
User messages
user.account user.auth user.login user.notify user.register user.unregister user.roster user.update
Resource subscribe/notify messages
resource.subscribe resource.notify
SIP messages
sip.methodname xsip.generate
Encode or decode protocol specific messages
isup.decode isup.encode isup.mangle sccp.generate
Socket operation messages
socket.stun socket.ssl socket.peel socket.sctp
cluster.locate cluster.send
msg.route msg.execute contact.info
Jabber / XMPP messages
xmpp.generate xmpp.iq jabber.iq jabber.item
Miscellaneous messages
database monitor.query monitor.notify