Log Snippet:
2019-02-07 14:24:47,901 | TRACE | 21 | | | UnitManager | EventHandler_OnSessionMsgSentReceiveEvent - Session: 620066288 - Message:
BYE sip:1234567@172.3x.3x.1xx:5060;transport=TCP SIP/2.0
From: "Agent1"<sip:21554@10.xx.0.6;x-nearend;x-refci=38478959;x-nearendclusterid=StandAloneCluster;x-nearenddevice=SEPB8XXXX9D07D4;x-nearendaddr=21554;x-farendrefci=38478960;x-farendclusterid=StandAloneCluster;x-farenddevice=10.xx.205.65;x-farendaddr=83428820>;tag=24019820~a3db175f-d5de-4a2a-9120-53502b155d90-38479883
To: <sip:1234567@172.3x.3x.1xx>;tag=f3d3bb0-0-13c4-65014-131b2dc-5ef00c54-131b2dc
Call-ID: 683c1700-c5c1940f-1b15f5-600140a@10.20.0.6
CSeq: 102 BYE
Via: SIP/2.0/TCP 10.20.0.6:5060;branch=z9hG4bK201d3c333d5896
Date: Thu, 07 Feb 2019 20:24:47 GMT
User-Agent: Cisco-CUCM11.0
Max-Forwards: 70
P-Asserted-Identity: "Agent 1" <sip:21554@10.XX.0.6>
Reason: Q.850;cause=47
Content-Length: 0
.
2019-02-07 14:24:47,901 | DEBUG | 21 | | | SIP_OBSERVER | Session: 620066288, State: SIP_SESSION_STATE_DISCONNECTED, Reason: SESSION_REASON_REMOTE_DISCONNECTED.
2019-02-07 14:24:47,901 | DEBUG | 21 | | | ContextTable | Got record: [620066288 -> Integrations.NSP.CiscoVrsp.CiscoPabxUnit] from context table.
2019-02-07 14:24:47,901 | INFO | 21 | | | BasePabxUnit | Session: 620066288 - calling to CtiDispatcher.OnSessionEnded (Reason: SESSION_REASON_REMOTE_DISCONNECTED).
2019-02-07 14:24:47,901 | DEBUG | 21 | | | BasePabxUnit | Session: 620066288 - Retrived list of media sources from inner list.
2019-02-07 14:24:47,901 | DEBUG | 21 | | | CtiDispatcher | Session: 620066288 - OnSessionEndedEvent is null.
2019-02-07 14:24:47,901 | DEBUG | 21 | | | BaseUnit | BaseUnitImplementation.OnSessionStateChanged - Updating [Session: 620066288 - Reason: SESSION_REASON_REMOTE_DISCONNECTED] in reason table.
2019-02-07 14:24:47,902 | TRACE | 23 | | | UnitManager | EventHandler_OnSessionMsgSentReceiveEvent - Session: 620066832 - Message:
SIP/2.0 481 Call Leg/Transaction Does Not Exist
From: "Agent1"<sip:21554@10.xx.0.6;x-farend;x-refci=38478959;x-nearendclusterid=StandAloneCluster;x-nearenddevice=SEPB8XXXX9D07D4;x-nearendaddr=21554;x-farendrefci=38478960;x-farendclusterid=StandAloneCluster;x-farenddevice=10.xx.205.65;x-farendaddr=83428820>;tag=24019821~a3db175f-d5de-4a2a-9120-53502b155d90-38479886
To: <sip:1234567@172.3x.3x.1xx>;tag=f3e3210-0-13c4-65014-131b2dc-7c247f9c-131b2dc
Call-ID: 683c1700-c5c1940f-1b15f6-600140a@10.XX.0.6
CSeq: 101 CANCEL
Via: SIP/2.0/TCP 10.xx.0.6:5060;branch=z9hG4bK201d3a355500f7
Supported: timer
Content-Length: 0
.
2019-02-07 14:24:47,902 | WARN | 21 | | | CiscoPabxUnit | CiscoPabxUnit.OnSessionDisconnectedState - session: 620066288 was closed with the following reason: Header: Reason - Value: Q.850;cause=47
2019-02-07 14:24:47,902 | DEBUG | 23 | | | UnitManager | EventHandler_OnSessionFinalDestResolvedEvent - Session: 620066832 - Final destinesation was reolved.
2019-02-07 14:24:47,902 | DEBUG | 21 | | | BasePabxUnit | Session: 620066288 - Retrived list of media sources from inner list.
2019-02-07 14:24:47,902 | DEBUG | 21 | | | CiscoPabxUnit | CiscoPabxUnit.StopApplicationTimer - Session: 620066288 - application session timer does not exist.
2019-02-07 14:24:47,902 | DEBUG | 21 | | | CiscoMediaTargetTable | CiscoMediaTargetTable.RemoveMediaTargets - key [MS Key => MS: [Telephony MS => Id: 0, Type: eTelephonySource, Dir: eTx, DN: 21554, DEV: SEPB8XXXX9D07D4, MID: 38478959]] does not exist in CiscoMediaTargetTable.
2019-02-07 14:24:47,902 | INFO | 21 | | | CiscoPabxUnit | Session: 620066288 - CUCM session is disconnected.