7920 External Call Problem

Answered Question
May 7th, 2007
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Hi,

I have a Cisco 7920 connected to CCME 4.1 running on a 2811 IOS 12.4(11)XJ via a Cisco Aironet 1100. The phone is running firmware 4.0-02-00. It is registering correctly to call manager express and I can make and receive calls.

The problem is that when someone calls this phone and hangs up before the call is answered, the incoming call is like locked on the 7920 and on the screen I have External Call(Unkno..

If after this, I try to make a call from the 7920, a "Line is Busy" message is displayed, however I can still receive calls on this phone.

Any help on this problem please?

Thanks


Alex

Correct Answer by paolo bevilacqua about 10 years 3 weeks ago

Good to know it worked.


Wouldn't you mind rating useful posts?


Thanks!



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paolo bevilacqua Mon, 05/07/2007 - 13:27
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Hi,


the latest firmware for the 7920 appears to be 3.0(1), the filename is cmterm_7920.4.0-03-01.bin, can you upgrade to that and try again ?

Also since you are there, you may consider upgrading IOS to latest XJ3, there are more than 50 bugs fixed since XJ.


Hope this helps, please rate post if it does!

aseychell Tue, 05/08/2007 - 02:33
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Actually I had a monitor button on another IP Phone but I removed it and still the same problem.

I cannot find a workaround for this problem.

Any other tips please.


Thanks


paolo bevilacqua Tue, 05/08/2007 - 02:59
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Hi, have you tried the latest firmware? In case you need to got to the TAC with this problem, they will ask you to do that anyway.

aseychell Tue, 05/08/2007 - 03:36
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I tried the latest firmware on the 7920 and it solved my problem.


Thanks alot for your help. Strange thing is that this same phone with the old version used to work fine...


Thanks again,


Alex

Correct Answer
paolo bevilacqua Tue, 05/08/2007 - 03:44
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Good to know it worked.


Wouldn't you mind rating useful posts?


Thanks!



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