UC560: Extension busy signal when nobody's on the phone

Unanswered Question
May 18th, 2010

Hi,

I'm using a UC560 and 20 508G phones. My users are getting complaints from outside callers that their extensions are busy. Callers have no problem reaching the auto attendent, but when they dial a user's extension, they get a normal busy signal. When this happens, I can call the extension internally and also get a busy signal. If I call a few times, eventually it will start ringing normally.The user is never on the phone when this happens. Any ideas why a phone that's not in use would give a busy signal and how can I stop this?

Thanks for your help!

I have this problem too.
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Marcos Hernandez Tue, 05/18/2010 - 09:09

We would need to take a look at the following debugs for a failed call:

debug voip ccapi inout

debug ccsip message

Thanks,

Marcos

john_downs Wed, 05/19/2010 - 09:13

I've attached the log file. I've also noticed the following lines in my log:

2010-05-19T09:16:01.075609-04:00 10.0.0.1 31362: 031609: May 19 13:13:42: %IPPHONE-6-UNREGISTER_ABNORMAL: ephone-12:SEP0018B9FFFE8C IP:10.1.1.16 Socket:15 DeviceType:Phone has unregistered abnormally.
2010-05-19T09:16:01.075609-04:00 10.0.0.1 31363: 031610: May 19 13:13:42: %IPPHONE-6-UNREGISTER_NORMAL: ephone-13:SEP0018B9FFFE8F IP:10.1.1.19 Socket:12 DeviceType:Phone has unregistered normally.
2010-05-19T09:16:01.076081-04:00 10.0.0.1 31364: 031611: May 19 13:13:42: %IPPHONE-6-REG_ALARM: Name=SEP0018B9FFFE8C  Load=7.4.2 Last=Hard+Unknown
2010-05-19T09:16:01.172941-04:00 10.0.0.1 31365: 031612: May 19 13:13:42: %SYS-5-CONFIG_I: Configured from console by admin on vty1 (10.0.0.122)
2010-05-19T09:16:01.351467-04:00 10.0.0.1 31366: 031613: May 19 13:13:42: %IPPHONE-6-REG_ALARM: Name=SEP0018B9FFFE8F  Load=7.4.2 Last=Hard+Unknown
2010-05-19T09:16:01.351823-04:00 10.0.0.1 31367: 031614: May 19 13:13:43: %IPPHONE-6-REGISTER: ephone-12:SEP0018B9FFFE8C IP:10.1.1.16 Socket:6 DeviceType:Phone has registered.
2010-05-19T09:16:01.384378-04:00 10.0.0.1 31368: 031615: Can't open file system:/its/SEP0018B9FFFE97.cnf.xml for write
2010-05-19T09:16:01.509704-04:00 10.0.0.1 31369: 031616: May 19 13:13:43: %IPPHONE-6-REGISTER: ephone-13:SEP0018B9FFFE8F IP:10.1.1.19 Socket:15 DeviceType:Phone has registered.
2010-05-19T09:16:01.546507-04:00 10.0.0.1 31370: 031617: May 19 13:13:43: %SYS-5-CONFIG_I: Configured from console by admin on vty1 (10.0.0.122)
Attachment: 

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