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</o:shapelayout></xml><![endif]--></head><body lang=EN-CA link=blue vlink=purple><div class=WordSection1><p class=MsoNormal><span style='color:#1F497D'>We are experiencing very similar issues and are 99% convinced it is network related. We are running CUCM 6.1 and have just recently upgraded our network and since the beginning of that network upgrade (done in stages over the past year) we have been seeing exactly the same issue, especially the drop call in progress). TAC has been involved in trouble shooting but to date have found no confirmed issue. Once network upgrade is 100 % complete we will be moving to CUCM 10.x. <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>All phones currently use SCCP and the majority of the failures are on 7911 but also occur on 7941’s. <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>I would think you can safely rule out CM 9.1. <o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Thanks<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><p class=MsoNormal><span style='color:#1F497D'>Terry<o:p></o:p></span></p><p class=MsoNormal><span style='color:#1F497D'><o:p> </o:p></span></p><div><div style='border:none;border-top:solid #B5C4DF 1.0pt;padding:3.0pt 0cm 0cm 0cm'><p class=MsoNormal><b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span lang=EN-US style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'> cisco-voip [mailto:cisco-voip-bounces@puck.nether.net] <b>On Behalf Of </b>Mar, Tashi<br><b>Sent:</b> June-05-14 11:42 AM<br><b>To:</b> cisco-voip@puck.nether.net<br><b>Subject:</b> [cisco-voip] Intermittent phone resets<o:p></o:p></span></p></div></div><p class=MsoNormal><o:p> </o:p></p><p class=MsoNormal><span lang=EN-US>Hi, troubleshooting an issue where phones intermittently reset, either on hook or off hook (drops the call in progress). Logs and TAC claim it’s a network issue, but has anyone seen similar problems on Call Manager 9.1? Basically, we want to rule out Call Manager as the culprit.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Majority of phones using SIP, models 8891 and 9951, experiencing issues similar to those outlined here: <a href="https://supportforums.cisco.com/discussion/10846666/ip-phones-randomly-rebooting">https://supportforums.cisco.com/discussion/10846666/ip-phones-randomly-rebooting</a><o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Steps already taken:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- upgrade to latest firmware<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- verify no POE errors on switch<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- cpu, memory on UCS servers ok<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- point phones to backup SUB, no change. Phones randomly reset when homed to Pub or Sub (both in separate locations).<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- Wireshark to see KeepAlives dropping<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>1. Phone logs show:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'>SEP0DD3B4E90000.cnf.xml.sgn (HTTP)<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 8:05:20p TCP connection timed out<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 8:07:22p Falling back to different CUCM<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 11:16:50p TCP connection timed out<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 11:18:51p Falling back to different CUCM<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 6:52:38p TCP connection timed out<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 6:54:39p Falling back to different CUCM<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 9:55:04a TCP connection timed out<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'> 9:57:05a Falling back to different CUCM<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>2. Call Manager logs show:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- phone unregisters from Primary CUCM due to:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>[Reason=6] ConnectivityError - Network communication between the device and Unified CM has been interrupted.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>- phones fallback to secondary CUCM and then rehome to Primary CUCM:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>Reason code = 28, FallbackInitiated - The device has initiated a fallback and will automatically re-register to a higher-priority Unified CM. No action is necessary.<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>3. Call Manager syslogs display EndPointUnregistered:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'>Apr 01 14:34:18 %UC_CALLMANAGER-3-EndPointUnregistered: %[DeviceName=SEP0DD3B4E90000][IPAddress=10.1.10.211][Protocol=SIP][DeviceType=540][Description=User][Reason=6][IPAddrAttributes=0][LastSignalReceived=SIPConnControlInd][CallState=5286-call_initiated1][AppID=Cisco CallManager][ClusterID=NAregion][NodeID=CCMSub]: An endpoint has unregistered<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'>Apr 01 14:36:22 %UC_-3-LastOutOfServiceInformation: %[DeviceName=SEP0DD3B4E90000][DeviceIPv4Address=10.1.10.211/24][IPv4DefaultGateway=192.168.51.1][DeviceIPv6Address=::][IPv6DefaultGateway=::][ModelNumber=CP-8961][NeighborIPv4Address=][NeighborIPv6Address=][NeighborDeviceID=][UNKNOWN_PARAMNAME:NeighborIPortID=][DHCPv4Status=1][DHCPv6Status=3][TFTPCfgStatus=1][DNSStatusUnifiedCM1=4][DNSStatusUnifiedCM2=4][DNSStatusUnifiedCM3=0][UNKNOWN_PARAMNAME:DNSv6StatusUnifiedCM1=0][UNKNOWN_PARAMNAME:DNSv6StatusUnifiedCM2=0][UNKNOWN_PARAMNAME:DNSv6StatusUnifiedCM3=0][VoiceVLAN=50][UnifiedCMIPAddress=10.1.10.5][LocalPort=50382][TimeStamp=1396377375][ReasonForOutOfService=18][LastProtocolEventSent=Sent:INVITE <a href="sip:915138521010@10.1.10.2;user=phone">sip:915138521010@10.1.10.2;user=phone</a> SIP/2.0 Cseq:101 INVITE CallId:b4e9b08c-a3ad023c-1fec1fa7-3b9727b1@10.1][LastProtocolEventReceived=Rcvd:SIP/2.0 202 Accepted Cseq:104 REFER CallId:b4e9b08c-a3ad026a-30d892f1-02c748ba@10.1.10.211][AppID=Cisco CallManager][ClusterID=NAregion][NodeID=CCMSub]: Information related to the last out-of-service event <o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'>Apr 01 14:36:24 %UC_CALLMANAGER-6-EndPointRegistered: %[DeviceName=SEP0DD3B4E90000][IPAddress=10.1.10.211][Protocol=SIP][DeviceType=540][PerfMonObjType=2][Description=User][UserID=User1][LoadID=sip8961.9-4-1-9][AssociatedDNs=5286,5285,5242,5237,5262,5217,5284,5294,5282,#86,][MACAddress=0DD3B4E90000][IPAddrAttributes=0][ActiveLoadId=sip8961.9-4-1-9.loads][InactiveLoadId=sip8961.9-3-2SR1-1.loads][AppID=Cisco CallManager][ClusterID=NAregion][NodeID=CCMSub]: Endpoint registered<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:10.0pt'>Apr 01 14:36:24 %UC_CALLMANAGER-6-DeviceDnInformation: %[DeviceName=SEP0DD3B4E90000][DeviceType=540][StationDesc=User][StationDn=5286,5285,5242,5237,5262,5217,5284,5294,5282,#86][AppID=Cisco CallManager][ClusterID=NAregion][NodeID=CCMSub]: List of directory numbers (DN) associated with this device<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>4. Switchport configuration:<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>interface GigabitEthernet3/0/x<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport access vlan 10<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport mode access<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport voice vlan 11<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport port-security maximum 3<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport port-security<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport port-security aging time 2<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport port-security violation restrict<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>switchport port-security aging type inactivity<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>load-interval 30<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>spanning-tree portfast<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US>spanning-tree bpduguard enable<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US><o:p> </o:p></span></p><p class=MsoNormal><span lang=EN-US>Thanks, Tashi<o:p></o:p></span></p><p class=MsoNormal><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif"'><o:p> </o:p></span></p><div class=MsoNormal align=center style='text-align:center'><span lang=EN-US style='font-size:12.0pt;font-family:"Times New Roman","serif"'><hr size=2 width="100%" align=center></span></div><p class=MsoNormal><span lang=EN-US style='font-size:7.5pt;font-family:"Arial","sans-serif";color:gray'><br>The information contained in this message is confidential and is intended only for the use of the individual or entity named above. 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