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CUCM Auto Registration

Posted on 2014-07-19
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Last Modified: 2014-08-02
HI

I have one Cisco phone which will register with CUCM but won't get an auto number.
All my other 250 ip phones get a auto number.
Auto registration is enable and I have 100 number left to be assigned to phones.
What can be the problem.
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Question by:ciscosupp
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Expert Comment

by:José Méndez
ID: 40206380
What CM version is that (full string)? And what IP Phone model? Which firmware version on the phone?

Can you go to Call Routing menu > Route Plan Report > Find all UNASSIGNED DNs and confirm that you have 100 numbers left?
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Author Comment

by:ciscosupp
ID: 40206990
CM version = System version: 8.6.2.20000-2
Phone model = Cisco IP Phone 7945
Firmware version = SCCP45.9-3-1SR2-1S
See attached file there are still unassigned DN's left.

I also upgraded phones firmware manually.
Unassigned-DN.jpg
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LVL 20

Expert Comment

by:José Méndez
ID: 40207437
So, the device is added to the database and you can see it registered but it doesn't have a directory number?

The other thing is, if it is happening to this one phone only, why not just assign one of the directory numbers available and reset? I know you probably want to know if there is a bug or something, but if it is only affecting one device, it may not be worth the concern.

What happens if you erase the phone from the database and let it auto register again?
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Author Comment

by:ciscosupp
ID: 40208409
Yes device is added to database but it doesn’t have DN and it only happened to this one phone.
I also erased the phone from data base and let it register again same issue.

How can I assign a DN manually to phone?
Please advice.
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Accepted Solution

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José Méndez earned 2000 total points
ID: 40208829
Just open the phone configuration page and then click on one of the links to the left that says Line 1 for example. That will take you to a Directory Number configuration page. There you enter the pattern and other details that a Directory Number uses, but essentially you could just enter the pattern, something like 5400.
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