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23488
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Cisco Phone registration issue rejected, Error Mismatch

Ronit Malhotra
Level 1
Level 1

Facing issue with Cisco Phone registration Message Registration rejected, Error Mismatch

Tried re adding phone

Manual Firmware

Any suggestion         

10 Replies 10

Chris Deren
Hall of Fame
Hall of Fame

Make sure the phone you configured is the exact type the phone is in reality. I.e. If phone is 7945 don't build it as 7965.

Chris

Phone type is correct 7942G

Did you check the switch port to see if it says 10/100/1000? If so, it is not 7942G. It would be 7942G-GE

Hi,

Adding to Chris's suggestion, try to perfoming a Factory Reset to the phone, some Certificate issue could cause this problem too.

Regards

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Already done with factory reset

Hi Dheeraj,

what is the CUCM version u are using?

Do u have enough licenses on CUCM to register new phone?

regds,

aman

Its Call Manager 4, i am able to add other phone

Hi Dheeraj,

Hope u are correctly entering the MAC address in Call manager .

can u share the snapshot and mac-address of phone ?

regds,

aman

David Mowery
Level 1
Level 1

Was this phone registered to a CUCM 8 or above before being put on the CUCM 4?  If so, it could be the CTL.   You need to remove that through Admin mode on a 7942G, I believe.

http://www.cisco.com/en/US/docs/voice_ip_comm/cuipph/7962g_7942g/6_0/english/administration/guide/7962net.html#wp1040906

Abarros
Level 1
Level 1

Hi !!

Yes, this solution was helpful! After adding manually framework all my phones just registered.

Thank you!

 

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