ISSUE 1: When make a call in lync client after certain message transaction lync caller get 481 Call Leg Does Not Exist . SIP/2.0 481 Call Leg Does Not Exist Authentication-Info: NTLM qop="auth", opaque="9436E22E", srand="8E281C5D", snum="12", rspauth="010000002be81caccb7d825264000000", targetname="FE.domain.local", realm="SIP Communications Service", version=4 From: <sip:demouser@edge.com>;tag=1375799463;epid=13757994 To: <sip:test3@fe.local>;tag=D5120ECF36260EB267FB812D17DAE391 Call-ID: 2jXhMAF7GVJhUA2Y8r4181MM6OlpCbvsjhzTH2Oc CSeq: 1 CANCEL Via: SIP/2.0/TLS x.x.x.x:59631;branch=2OyLJ5KO1GNvDbbGyOpb1pn8l2F1tFUmjiVRcvv1;received=192.168.0.101;ms-received-port=59631;ms-received-cid=1B2E00 ms-diagnostics: 2;reason="See response code and reason phrase";HRESULT="0xC3E93C09(PE_E_TRANSACTION_DOES_NOT_EXIST)";source="FE.domain.local" Server: RTC/4.0 Content-Length: 0...
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