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what is SIP/2.0 481 Call Leg/Transaction Does Not Exist means ?

samer.sabeeh
Level 1
Level 1

Hello,

when call cme from sip trunk and hangup the call from the calling phone debug ccsip show :

Jun  2 08:52:40.541: //-1/xxxxxxxxxxxx/SIP/Info/ccsip_new_msg_preprocessor: Checking Invite Dialog
Jun  2 08:52:40.541: //-1/xxxxxxxxxxxx/SIP/Error/sipSPISipIncomingMsg: Invalid method for (STATE_IDLE): CANCEL
Jun  2 08:52:40.545: //-1/xxxxxxxxxxxx/SIP/Transport/sipSPISendErrorRespNoCCB: Sending Error Response No CCB to the transport layer
Jun  2 08:52:40.545: //-1/xxxxxxxxxxxx/SIP/Transport/sipSPITransportSendMessage: msg=0x88D771A0, addr=172.19.1.78, port=5060, sentBy_port=5060, is_req=0, transport=1, switch=0, callBack=0x00000000
Jun  2 08:52:40.545: //-1/xxxxxxxxxxxx/SIP/Transport/sipConnectionManagerGetConnectionIfExists: Connection Holder for addr=172.19.1.78 not found
CME(config-sip-ua)#
Jun  2 08:52:40.545: //-1/xxxxxxxxxxxx/SIP/Transport/sipTransportPostSendMessage: Posting send for msg=0x88D771A0, addr=172.19.1.78, port=5060, connId=0 for UDP
Jun  2 08:52:40.553: //-1/xxxxxxxxxxxx/SIP/Msg/ccsipDisplayMsg:
Sent:
SIP/2.0 481 Call Leg/Transaction Does Not Exist
Via: SIP/2.0/UDP 77.72.169.134:5060;branch=z9hG4bK49b6543463d947caa1e4b81bf0267d24;received=172.19.1.78
From: <sip:00@sip.justvoip.com:5060>;tag=4e0113ac4c050c86452e9
To: <sip:my username@myip add:5060>
Call-ID: 4c4d940ab840442cb123a51a893cf5f5
CSeq: 3 CANCEL
Content-Length: 0

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