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.
All phones currently use SCCP and the majority of the failures are on 7911 but also occur on 7941's. I would think you can safely rule out CM 9.1. Thanks Terry From: cisco-voip [mailto:cisco-voip-boun...@puck.nether.net] On Behalf Of Mar, Tashi Sent: June-05-14 11:42 AM To: cisco-voip@puck.nether.net Subject: [cisco-voip] Intermittent phone resets 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. Majority of phones using SIP, models 8891 and 9951, experiencing issues similar to those outlined here: https://supportforums.cisco.com/discussion/10846666/ip-phones-randomly-rebooting Steps already taken: - upgrade to latest firmware - verify no POE errors on switch - cpu, memory on UCS servers ok - point phones to backup SUB, no change. Phones randomly reset when homed to Pub or Sub (both in separate locations). - Wireshark to see KeepAlives dropping 1. Phone logs show: SEP0DD3B4E90000.cnf.xml.sgn (HTTP) 8:05:20p TCP connection timed out 8:07:22p Falling back to different CUCM 11:16:50p TCP connection timed out 11:18:51p Falling back to different CUCM 6:52:38p TCP connection timed out 6:54:39p Falling back to different CUCM 9:55:04a TCP connection timed out 9:57:05a Falling back to different CUCM 2. Call Manager logs show: - phone unregisters from Primary CUCM due to: [Reason=6] ConnectivityError - Network communication between the device and Unified CM has been interrupted. - phones fallback to secondary CUCM and then rehome to Primary CUCM: 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. 3. Call Manager syslogs display EndPointUnregistered: 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 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 sip:915138521010@10.1.10.2;user=phone 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 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 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 4. Switchport configuration: interface GigabitEthernet3/0/x switchport access vlan 10 switchport mode access switchport voice vlan 11 switchport port-security maximum 3 switchport port-security switchport port-security aging time 2 switchport port-security violation restrict switchport port-security aging type inactivity load-interval 30 spanning-tree portfast spanning-tree bpduguard enable Thanks, Tashi ________________________________ The information contained in this message is confidential and is intended only for the use of the individual or entity named above. It may contain proprietary or legally privileged information. Mistransmission shall not constitute a waiver of any rights or privileges. If you are not the designated recipient of this message, you are hereby notified that any use, dissemination, distribution or reproduction of this message is strictly prohibited. If you have received this message in error, please immediately notify the sender. 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