My Skype calls keeps dropping and my firewall seems to be open and not blocking and IP's but not sure why it is happening. using Windows 8 and Windows 10, below is the event viewer log for the drop
A SIP request made by Lync failed in an unexpected manner (status code 0). More information is contained in the following technical data:
RequestUri: sip:le@domain.com;opaque=user:epid:c-Z1XxZYuF2SoQ_DmcqMQQAA;gruu
From: sip:fe@domain.com;tag=6c92abcc48
To: sip:le@domain.com;tag=d3667f6533
Call-ID: cc7e196447a7452da9f1cd37a10c46cb
Content-type: application/sdp;call-type=audiovideo
v=0
o=- 0 1 IN IP4 192.168.11.8
s=session
c=IN IP4 192.168.11.8
b=CT:99980
t=0 0
a=x-mediabw:main-video send=12000;recv=6000
a=x-devicecaps:audio:send,recv;video:send,recv
m=audio 50016 RTP/SAVP 117 104 114 9 112 111 0 8 103 116 115 97 13 118 119 101
a=x-ssrc-range:2366243840-2366243840
a=rtcp-fb:* x-message app send:dsh recv:dsh
a=rtcp-rsize
a=label:main-audio
a=x-source:main-audio
a=ice-ufrag:lMRF
a=ice-pwd:NRfxyT94UfaOKMah0ivGn64M
a=candidate:1 1 UDP 2130706431 192.168.110.108 50016 typ host
a=crypto:2 AES_CM_128_HMAC_SHA1_80 inline:u8hhtI31pTcM6xYS3Zi42CZkGCJ2sFqvY8wcve7I|2^31|1:1
a=remote-candidates:1 192.168.114.68 50002 2 192.168.114.68 50002
a=maxptime:200
a=rtpmap:117 G722/8000/2
a=rtpmap:104 SILK/16000
a=fmtp:104 useinbandfec=1; usedtx=0
a=rtpmap:114 x-msrta/16000
a=fmtp:114 bitrate=29000
a=rtpmap:9 G722/8000
a=rtpmap:112 G7221/16000
a=fmtp:112 bitrate=24000
a=rtpmap:111 SIREN/16000
a=fmtp:111 bitrate=16000
a=rtpmap:0 PCMU/8000
a=rtpmap:8 PCMA/8000
a=rtpmap:103 SILK/8000
a=fmtp:103 useinbandfec=1; usedtx=0
a=rtpmap:116 AAL2-G726-32/8000
a=rtpmap:115 x-msrta/8000
a=fmtp:115 bitrate=11800
a=rtpmap:97 RED/8000
a=rtpmap:13 CN/8000
a=rtpmap:118 CN/16000
a=rtpmap:119 CN/24000
a=rtpmap:101 telephone-event/8000
a=fmtp:101 0-16
a=rtcp-mux
a=ptime:20
a=extmap:1 http:\http://www.webrtc.org\experiments\rt...\abs-send-time
m=video 50030 RTP/SAVP 122 121 123
a=x-ssrc-range:2366243841-2366243940
a=rtcp-fb:* x-message app send:src,x-pli recv:src,x-pli
a=rtcp-rsize
a=label:main-video
a=x-source:main-video
a=ice-ufrag:wPN4
a=ice-pwd:qjLdXqktYRu0pkh3yQaCA9X2
a=x-caps:121 263:1920:1080:30.0:2000000:1;4359:1280:720:30.0:1500000:1;8455:640:480:30.0:600000:1;12551:640:360:30.0:600000:1;16647:352:288:15.0:250000:1;20743:424:240:15.0:250000:1;24839:176:144:15.0:180000:1
a=candidate:1 1 UDP 2130706431 192.168.11.8 50030 typ host
a=crypto:2 AES_CM_128_HMAC_SHA1_80 inline:u8hhtI31pTcM6xYS3Zi42CZkGCJ2sFqvY8wcve7I|2^31|1:1
a=remote-candidates:1 192.168.11.68 50021 2 192.168.11.68 50021
a=rtpmap:122 X-H264UC/90000
a=fmtp:122 packetization-mode=1;mst-mode=NI-TC
a=rtpmap:121 x-rtvc1/90000
a=rtpmap:123 x-ulpfecuc/90000
a=rtcp-mux
a=extmap:1 http:\http://www.webrtc.org\experiments\rt...\abs-send-time
Response Data:
101 Progress Report
ms-diagnostics: 13004;reason="Request was proxied to one or more registered endpoints";source="BL20A26FES04.INFRA.LYNC.COM";Count="2";appName="InboundRouting"
180 Ringing
180 Ringing
183 Session Progress
183 Session Progress
0 (null)
(null): 34; reason="Call terminated on a mid-call media failure where both endpoints are remote";UserType="Callee";MediaType="audio";MediaChanBlob="NetworkErr=time out,ErrTime=3693743000008,RTPSeq=0,SeqDelta=0,RTPTime=3693742700588,RTCPTime=3693742970028,TransptRecvErr=0x0,RecvErrTime=0,TransptSendErr=0x0,SendErrTime=0,InterfacesStall=0x2,InterfacesConnCheck=0x2,MediaTimeout=0,BlobVer=1";BaseAddress="192.168.11.68:50012";LocalAddress="192.168.11.68:50002";LocalSite="91.238.123.128:50012";NetworkName="nextjump.com";RemoteAddress="192.168.11.8:50016";RemoteSite="132.245.0.9:48956";MediaEpBlob="ICEWarn=0x400000,ICEWarnEx=0x0,LocalMR=52.112.0.63:50511,RemoteMR=132.245.0.42:58833,PortRange=50000:50019,LocalMRTCPPort=52875,RemoteMRTCPPort=58833,LocalLocation=1,RemoteLocation=1,FederationType=0,StunVer=2,CsntRqOut=60,CsntRqIn=60,CsntRspOut=60,CsntRspIn=59,Interfaces=0x2,BaseInterface=0x2,Protocol=0,LocalInterface=0x2,LocalAddrType=0,RemoteAddrType=0,IceRole=2,RtpRtcpMux=1,AllocationTimeInMs=414,FirstHopRTTInMs=76,TransportBytesSent=889,TransportPktsSent=29,IceConnCheckStatus=4,PrelimConnChecksSucceeded=1,IceInitTS=3693742694085,ContactSrvMs=382,AllocFinMs=485,FinalAnsRcvMs=1,FirstPathMs=5475,ReinviteRcvMs=6688,AckReinviteSntMs=6730,FCsntRqSntMs=6779,FCsntRqRcvMs=7169,LCsntRqSntMs=303568,LCsntRqRcvMs=303998,BlobGenTime=3693743000190,MediaDllVersion=6.0.8953.259,BlobVer=1";MediaMgrBlob="MrDnsE=mediaedge0A.online.lync.com,MrResE=1,MrErrE=0,MrBgnE=36937426940491984,MrEndE=36937426940574816,MrDnsI=sipedgeBL20A.infra.lync.com,MrResI=0,MrErrI=11001,MrBgnI=36937426940491824,MrEndI=36937426940536904,MrDnsCacheReadAttempt=0,BlobVer=1";OriginalPresenceState="0";CurrentPresenceState="0";MeInsideUser="No";ConversationInitiatedBy="0";SourceNetwork="0";RemotePartyCanDoIM="No"
Resolution:
If this error continues to occur, please contact your network administrator. The network administrator can use a tool like winerror.exe from the Windows Resource Kit or lcserror.exe from the Office Communications Server Resource Kit in order to interpret any error codes listed above.
