Phone keep unregistered randomly within 1 sec (CCME7.1)

Unanswered Question
Jul 13th, 2010

phones in system keep unregistered randomly within 1 sec.

CPU on router is fine.

Cisco 2851 (revision 53.51) with 501760K/22528K bytes of memory.

Do Debug ephone  error   see below info

Jul 14 13:44:59.139: %IPPHONE-6-UNREGISTER_ABNORMAL: ephone-8:SEP00260B5DC99F IP:172.17.1.17 Socket:41 DeviceType:Phone has unregistered abnormally.
Jul 14 13:44:59.139: %IPPHONE-6-REGISTER: ephone-8:SEP00260B5DC99F IP:172.17.1.17 Socket:71 DeviceType:Phone has registered.
Jul 14 13:44:59.339: %IPPHONE-6-REG_ALARM: 14: Name=SEP00270D3DF308 Load= SCCP41.8-4-2S Last=UCM-closed-TCP
Jul 14 13:44:59.339 AEST:
Skinny StationAlarmMessage on socket [21] 172.17.1.44 SEP00270D3DF308
Jul 14 13:44:59.339 AEST: severityInformational p1=0 [0x0] p2=0 [0x0]
Jul 14 13:44:59.339 AEST: 14: Name=SEP00270D3DF308 Load= SCCP41.8-4-2S Last=UCM-closed-TCP
Jul 14 13:44:59.379 AEST: Bring down DN 50 chan 1 (250) with the following traceback -Traceback= 0x40E38400z 0x40E38A10z 0x40E3B720z 0x40E703E4z 0x40E70E7Cz 0x40E73220z 0x40E26DE0z
Jul 14 13:44:59.383 AEST: Bring down DN 50 chan 2 (250) with the following traceback -Traceback= 0x40E38400z 0x40E38A10z 0x40E3B720z 0x40E703E4z 0x40E70E7Cz 0x40E73220z 0x40E26DE0z
Jul 14 13:44:59.387: %IPPHONE-6-UNREGISTER_ABNORMAL: ephone-35:SEP00270D3DF308 IP:172.17.1.44 Socket:25 DeviceType:Phone has unregistered abnormally.
Jul 14 13:44:59.387: %IPPHONE-6-REGISTER: ephone-35:SEP00270D3DF308 IP:172.17.1.44 Socket:21 DeviceType:Phone has registered.
Jul 14 13:45:01.343 AEST: socket 37 fatal error 254! can't read msg header with size -1, fd 37 phone tag 52 device name SEP00260B5C34EB state 1 keepalive 35
Jul 14 13:45:02.191: %CDP-4-DUPLEX_MISMATCH: duplex mismatch discovered on GigabitEthernet0/0 (not half duplex), with SEP0026994413F2 Port 1 (half duplex).
Jul 14 13:45:02.375 AEST: ephone-7[6/43][SEP04FE7F69724B]:StartMediaTransmissionAck callref 17108 OK
Jul 14 13:45:02.823: %IPPHONE-6-REG_ALARM: 14: Name=SEP00260B5C34EB Load= SCCP41.8-4-2S Last=UCM-closed-TCP
Jul 14 13:45:02.827 AEST:
Skinny StationAlarmMessage on socket [25] 172.17.1.61 SEP00260B5C34EB
Jul 14 13:45:02.827 AEST: severityInformational p1=0 [0x0] p2=0 [0x0]
Jul 14 13:45:02.827 AEST: 14: Name=SEP00260B5C34EB Load= SCCP41.8-4-2S Last=UCM-closed-TCP
Jul 14 13:45:03.167: %IPPHONE-6-REG_ALARM: 14: Name=SEP00260B5C07BF Load= SCCP41.8-4-2S Last=UCM-closed-TCP
Jul 14 13:45:03.167 AEST:
Skinny StationAlarmMessage on socket [41] 172.17.1.54 SEP00260B5C07BF
Jul 14 13:45:03.167 AEST: severityInformational p1=0 [0x0] p2=0 [0x0]
Jul 14 13:45:03.167 AEST: 14: Name=SEP00260B5C07BF Load= SCCP41.8-4-2S Last=UCM-closed-TCP
Jul 14 13:45:03.211 AEST: Bring down DN 63 chan 1 (263) with the following traceback -Traceback= 0x40E38400z 0x40E38A10z 0x40E3B720z 0x40E703E4z 0x40E70E7Cz 0x40E73220z 0x40E26DE0z
Jul 14 13:45:03.215 AEST: Bring down DN 63 chan 2 (263) with the following traceback -Traceback= 0x40E38400z 0x40E38A10z 0x40E3B720z 0x40E703E4z 0x40E70E7Cz 0x40E73220z 0x40E26DE0z
Jul 14 13:45:03.219: %IPPHONE-6-UNREGISTER_ABNORMAL: ephone-45:SEP00260B5C07BF IP:172.17.1.54 Socket:44 DeviceType:Phone has unregistered abnormally.
Jul 14 13:45:03.219: %IPPHONE-6-REGISTER: ephone-45:SEP00260B5C07BF IP:172.17.1.54 Socket:41 DeviceType:Phone has registered.
Jul 14 13:45:03.271 AEST: Bring down DN 75 chan 1 (275) with the following traceback -Traceback= 0x40E38400z 0x40E38A10z 0x40E3B720z 0x40E703E4z 0x40E70E7Cz 0x40E73220z 0x40E26DE0z
Jul 14 13:45:03.271 AEST: Bring down DN 75 chan 2 (275) with the following traceback -Traceback= 0x40E38400z 0x40E38A10z 0x40E3B720z 0x40E703E4z 0x40E70E7Cz 0x40E73220z 0x40E26DE0z
Jul 14 13:45:03.275: %IPPHONE-6-UNREGISTER_ABNORMAL: ephone-52:SEP00260B5C34EB IP:172.17.1.61 Socket:37 DeviceType:Phone has unregistered abnormally.
Jul 14 13:45:03.279: %IPPHONE-6-REGISTER: ephone-52:SEP00260B5C34EB IP:172.17.1.61 Socket:25 DeviceType:Phone has registered.
Jul 14 13:45:06.767: %IPPHONE-6-REG_ALARM: 14: Name=SEP00260B5D7BFD Load= SCCP41.8-4-2S Last=UCM-closed-TCP
Jul 14 13:45:06.767 AEST:
Skinny StationAlarmMessage on socket [37] 172.17.1.10 SEP00260B5D7BFD
Jul 14 13:45:06.767 AEST: severityInformational p1=0 [0x0] p2=0 [0x0]
Jul 14 13:45:06.767 AEST: 14: Name=SEP00260B5D7BFD Load= SCCP41.8-4-2S Last=UCM-closed-TCP
Jul 14 13:45:07.183 AEST: Bring down DN 2 chan 1 (202) with the following traceback -Traceback= 0x40E38400z 0x40E38A10z 0x40E3B720z 0x40E703E4z 0x40E70E7Cz 0x40E73220z 0x40E26DE0z
Jul 14 13:45:07.187 AEST: Bring down DN 2 chan 2 (202) with the following traceback -Traceback= 0x40E38400z 0x40E38A10z 0x40E3B720z 0x40E703E4z 0x40E70E7Cz 0x40E73220z 0x40E26DE0z
Jul 14 13:45:07.191: %IPPHONE-6-UNREGISTER_ABNORMAL: ephone-1:SEP00260B5D7BFD IP:172.17.1.10 Socket:34 DeviceType:Phone has unregistered abnormally.
Jul 14 13:45:07.191: %IPPHONE-6-REGISTER: ephone-1:SEP00260B5D7BFD IP:172.17.1.10 Socket:37 DeviceType:Phone has registered.peer_vdb is NULL for DN 31, chan 1 at SkinnyIsPeerNonSCCPpeer_vdb is NULL for DN 73, chan 1 at SkinnyIsPeerNonSCCPpeer_vdb is NULL for DN 62, chan 1 at SkinnyIsPeerNonSCCP
Jul 14 13:45:15.880: %ISDN-6-DISCONNECT: Interface Serial0/0/0:27  disconnected from 0438808111 , call lasted 75 secondspeer_vdb is NULL for DN 73, chan 1 at SkinnyIsPeerNonSCCPte
Jul 14 13:45:19.072: %IPPHONE-6-REG_ALARM: 14: Name=SEP00260B5C25C8 Load= SCCP41.8-4-2S Last=UCM-closed-TCP
Jul 14 13:45:19.072 AEST:
Skinny StationAlarmMessage on socket [34] 172.17.1.29 SEP00260B5C25C8
Jul 14 13:45:19.072 AEST: severityInformational p1=0 [0x0] p2=0 [0x0]
Jul 14 13:45:19.072 AEST: 14: Name=SEP00260B5C25C8 Load= SCCP41.8-4-2S Last=UCM-closed-TCP
Jul 14 13:45:19.116 AEST: Bring down DN 33 chan 1 (233) with the following traceback -Traceback= 0x40E38400z 0x40E38A10z 0x40E3B720z 0x40E703E4z 0x40E70E7Cz 0x40E73220z 0x40E26DE0z
Jul 14 13:45:19.120 AEST: Bring down DN 33 chan 2 (233) with the following traceback -Traceback= 0x40E38400z 0x40E38A10z 0x40E3B720z 0x40E703E4z 0x40E70E7Cz 0x40E73220z 0x40E26DE0zr no m
Jul 14 13:45:19.124: %IPPHONE-6-UNREGISTER_ABNORMAL: ephone-20:SEP00260B5C25C8 IP:172.17.1.29 Socket:20 DeviceType:Phone has unregistered abnormally.

I have this problem too.
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f.giordano Mon, 09/13/2010 - 01:51

Hi,

I have exactly the same issue on a 2821 CME 7.1.

Did you find a solution ???

Thanks

Fabian

f.giordano Thu, 09/16/2010 - 01:03

I'm not using EM

This command doesn't appear under telephony-service

Fabian

dksingh Thu, 09/16/2010 - 04:35

I see tons of Tracebacks which indicates maybe a s/w defect.

What IOS ver do u have...?

f.giordano Mon, 09/27/2010 - 06:56

Ok we got it !

Issue was not related to CME or Phones firmwares.

The default gateway gateway of the Phones was the Cisco ASA.

When disconnecting the ASA of the network, all the phones are working fine.

After some research we found that the proxy-arp was enabled on the Asa voice interface.

After disabling it, everything's fine.

Don't understand why... but it works


Regards

Fabian

richb1971 Fri, 09/30/2011 - 06:25

Hi Fabian,

Do you have the URL for this link? We're having similar issues.

Regards

Rich

richb1971 Fri, 09/30/2011 - 07:04

Sorry Fabian, I'd assumed you had one as part of your research. Do you have any useful documents/links that may help with this issue?

Rich

f.giordano Fri, 09/30/2011 - 07:10

Nope, no document.

What we did was to remove one by one all equipment connected to the Lan.

When we removed the asa, phones were working.

So we put back the Asa on the Lan and decided to look which asa feature was the source issue.

And it was proxy arp.

Fabian

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