Device is unregistering reason=23 and registering every minute

[casper4230]

I have a single user's device that is unregistering and registering every minute or so with a reason=23. is this network related?

ccm: 24282: PVAAPGA437ES058.snv.net Oct 06 2021 17:21:17.991 UTC : %UC_CALLMANAGER-3-EndPointUnregistered: %[DeviceName=IPCAgent219][IPAddress=10.209.104.74][Protocol=SIP][DeviceType=30016][Description=IPC Agent][Reason=23][IPAddrAttributes=0][LastSignalReceived=SIPRegisterInd][ClusterID=StandAloneCluster][NodeID=PVAAPGA437ES058]: An endpoint has unregistered

ccm: 24283: PVAAPGA437ES058.snv.net Oct 06 2021 17:21:18.103 UTC : %UC_CALLMANAGER-6-EndPointRegistered: %[DeviceName=IPCAgent219][IPAddress=10.209.104.100][Protocol=SIP][DeviceType=30016][PerfMonObjType=2][Description=IPC Agent][UserID=07979][AssociatedDNs=1999018][MACAddress=005056A12E9E][IPAddrAttributes=0][ClusterID=StandAloneCluster][NodeID=PVAAPGA437ES058]: Endpoint registered

ccm: 24284: PVAAPGA437ES058.snv.net Oct 06 2021 17:21:18.105 UTC : %UC_CALLMANAGER-6-DeviceDnInformation: %[DeviceName=IPCAgent219][DeviceType=30016][StationDesc=IPC Agent][StationDn=1999018][ClusterID=StandAloneCluster][NodeID=PVAAPGA437ES058]: List of directory numbers (DN) associated with this device

[b.winter]

Hi,

It seems, that the phone is getting different IP addresses constantly.

Have you checked the switchport configuration or the DHCP pool config, if there are any problems with the vlans, DHCP leases etc.?