Hi All. I'm using asterisk 1.2.10, 1.2.13 and 1.4.0-beta3 wth softphone eyebeam 15 I do the following: eyebeam call to PSTN phone 911234567 and asterisk can't create a zap channel sends CANCEL to eyebeam. The log of eyebeam shows this: [06-11-08]16:52:07.415 | Info (debug) RESIP:TRANSACTION | "Matching rule for CANCEL :911234567@192.168.2.54 SIP/2.0 Via: SIP/2.0/UDP 192.168.2.54:5060;branch=z9hG4bK4d29449f;rport=5060 Max-Forwards: 70 Contact: <sip:916331591@192.168.2.54> To: ""621""<sip:621@192.168.2.54>;tag=6626f537 From: ""916331591""<sip:916331591@192.168.2.54> Call-ID: 0719856da42f542bZGE1NzllOTI3ZGU4NjIwNDhiOTVjOGJkZmFmOTgxNDk. CSeq: 101 CANCEL User-Agent: Asterisk PBX Content-Length: 0 The first line is incorrect, must be CANCEL sip:911234567@192.168.2.54 SIP/2.0 Where is sip between CANCEL and ':'? Thanks! --- Mario Fdez. Alonso