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New Member

Call Termination error

Dear All,

I have call manager bussiness edition, and our user is having Error 41 - Temporary failure. I check on the CDR, a lot of user experiencing call terminate, and their phone is " configuring IP " status. Any suggestions what may cause this error. Please advice. Thank you all for your help.

Regards,

Chris

4 REPLIES
VIP Super Bronze

Re: Call Termination error

You need to be more specific. Does this affect all the phones? Does this mean that no phone can register with callmanager.

Can you ping CCM IP from the IP Phone subnet?

Is there a firewall between IP Phones and CCM?

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New Member

Re: Call Termination error

Yes this affect all phones/extension, but randomly. This error occur when they are on call locally or outside number. The connection drop, and their phone is showing configuring IP status for about 10 seconds, and back to normal again. The phone can register with call manager again after that condition. Yes I can ping the CCM with no problem -> 1ms. The pc + ip phone is connected to cisco 3750g switch, 3 switch stack together. And I configured 2 vlan, voice and data. for voice vlan is giving ip by switch dhcp. but for data is giving ip by dhcp server on data subnet. Is it the ccm or the switch cause problem? Any suggestion?

Thank you for your help.

Regards,

Chris

New Member

Re: Call Termination error

I would check your UCM logs to see what messages you see for the registration events. I'd also check for interface resets (show interface), short system uptime (show version), and/or logged errors (show log) on the switches themselves.

New Member

Re: Call Termination error

Where can I find UCM logs to check for registration events? Is it normal to have error 41 "temporary failure" on normal system ? Please advice. Thank you for your help.

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