Zap phone calling ipDialog SIP phone 121. Sip phone rings. Zap phone hangs up, SIP phone keeps ringing. Looks like asterisk is consumed with bogus PUBLISH commands. Similar happens on Polycom and Grandstream. *CLI> sip debug peer 128 SIP Debugging Enabled for IP: 192.70.160.48:5060 -- Executing Macro("Zap/1-1", "sip-phone|128") in new stack -- Executing Macro("Zap/1-1", "set-call-return|128|inside") in new stack -- Executing DBput("Zap/1-1", "CLID/128=120") in new stack -- DBput: family=CLID, key=128, value=120 -- Executing Macro("Zap/1-1", "set-last-number-redial|128|inside") in new stack -- Executing GotoIf("Zap/1-1", "1?2:3") in new stack -- Goto (macro-set-last-number-redial,s,2) -- Executing DBput("Zap/1-1", "LNR/120=128") in new stack -- DBput: family=LNR, key=120, value=128 -- Executing NoOp("Zap/1-1", "macro-sip-phone") in new stack -- Executing Dial("Zap/1-1", "SIP/128|") in new stack We're at 192.70.160.39 port 10380 Answering with preferred capability 0x4 (ulaw) Answering with non-codec capability 0x1 (telephone-event) 12 headers, 10 lines Reliably Transmitting (no NAT) to 192.70.160.48:5060: INVITE sip:128@192.70.160.48 SIP/2.0 Via: SIP/2.0/UDP 192.70.160.39:5060;branch=z9hG4bK3c80c036 From: "Craig Wireless" ;tag=as5ac7971b To: Contact: Call-ID: 3e346b001a6685ec1f5ab91c1d692769@192.70.160.39 CSeq: 102 INVITE User-Agent: Asterisk PBX Date: Tue, 26 Jul 2005 18:57:47 GMT Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY Content-Type: application/sdp Content-Length: 216 v=0 o=root 7716 7716 IN IP4 192.70.160.39 s=session c=IN IP4 192.70.160.39 t=0 0 m=audio 10380 RTP/AVP 0 101 a=rtpmap:0 PCMU/8000 a=rtpmap:101 telephone-event/8000 a=fmtp:101 0-16 a=silenceSupp:off - - - - --- -- Called 128 -- SIP/128-dbd1 is ringing Reliably Transmitting (no NAT) to 192.70.160.48:5060: PUBLISH sip:128@192.70.160.48 SIP/2.0 Via: SIP/2.0/UDP 192.70.160.39:5060;branch=z9hG4bK3c80c036 From: "Craig Wireless" ;tag=as5ac7971b To: Contact: Call-ID: 3e346b001a6685ec1f5ab91c1d692769@192.70.160.39 CSeq: 102 PUBLISH User-Agent: Asterisk PBX Content-Length: 0 --- Scheduling destruction of call '3e346b001a6685ec1f5ab91c1d692769@192.70.160.39' in 15000 ms == Spawn extension (macro-sip-phone, s, 3) exited non-zero on 'Zap/1-1' in macro 'sip-phone' == Spawn extension (inside, 128, 1) exited non-zero on 'Zap/1-1' -- Got SIP response 400 "Bad Request" back from 192.70.160.48 -- Hungup 'Zap/1-1' Retransmitting #1 (no NAT) to 192.70.160.48:5060: PUBLISH sip:128@192.70.160.48 SIP/2.0 Via: SIP/2.0/UDP 192.70.160.39:5060;branch=z9hG4bK3c80c036 From: "Craig Wireless" ;tag=as5ac7971b To: Contact: Call-ID: 3e346b001a6685ec1f5ab91c1d692769@192.70.160.39 CSeq: 102 PUBLISH User-Agent: Asterisk PBX Content-Length: 0 --- -- Got SIP response 400 "Bad Request" back from 192.70.160.48 Retransmitting #2 (no NAT) to 192.70.160.48:5060: PUBLISH sip:128@192.70.160.48 SIP/2.0 Via: SIP/2.0/UDP 192.70.160.39:5060;branch=z9hG4bK3c80c036 From: "Craig Wireless" ;tag=as5ac7971b To: Contact: Call-ID: 3e346b001a6685ec1f5ab91c1d692769@192.70.160.39 CSeq: 102 PUBLISH User-Agent: Asterisk PBX Content-Length: 0 --- -- Got SIP response 400 "Bad Request" back from 192.70.160.48 Retransmitting #3 (no NAT) to 192.70.160.48:5060: PUBLISH sip:128@192.70.160.48 SIP/2.0 Via: SIP/2.0/UDP 192.70.160.39:5060;branch=z9hG4bK3c80c036 From: "Craig Wireless" ;tag=as5ac7971b To: Contact: Call-ID: 3e346b001a6685ec1f5ab91c1d692769@192.70.160.39 CSeq: 102 PUBLISH User-Agent: Asterisk PBX Content-Length: 0 --- -- Got SIP response 400 "Bad Request" back from 192.70.160.48 Retransmitting #4 (no NAT) to 192.70.160.48:5060: PUBLISH sip:128@192.70.160.48 SIP/2.0 Via: SIP/2.0/UDP 192.70.160.39:5060;branch=z9hG4bK3c80c036 From: "Craig Wireless" ;tag=as5ac7971b To: Contact: Call-ID: 3e346b001a6685ec1f5ab91c1d692769@192.70.160.39 CSeq: 102 PUBLISH User-Agent: Asterisk PBX Content-Length: 0 --- -- Got SIP response 400 "Bad Request" back from 192.70.160.48 Retransmitting #5 (no NAT) to 192.70.160.48:5060: PUBLISH sip:128@192.70.160.48 SIP/2.0 Via: SIP/2.0/UDP 192.70.160.39:5060;branch=z9hG4bK3c80c036 From: "Craig Wireless" ;tag=as5ac7971b To: Contact: Call-ID: 3e346b001a6685ec1f5ab91c1d692769@192.70.160.39 CSeq: 102 PUBLISH User-Agent: Asterisk PBX Content-Length: 0 --- -- Got SIP response 400 "Bad Request" back from 192.70.160.48 Jul 26 14:58:02 WARNING[7716]: chan_sip.c:1039 retrans_pkt: Maximum retries exceeded on call 3e346b001a6685ec1f5ab91c1d692769@192.70.160.39 for seqno 102 (Non-critical Request)