CUCM Issue: Device Status and IP Address option showing unknown

[Neeraj_Jugran]

Hi,

All IP phones are registered with Subscriber but when i checking the extension details in CUCM. 

Device > Phone >  

In the Status and IP Address section is showing UNKNOWN whereas in IP phone IP address and Actice and Stadby Unified CM are showing.

Regards,

Neeraj Jugran

[Aman Soi]

Hi Neeraj,

what is CUCM version u are using  and is this happening for any specific phone models ?

Did u try changing[upgrading] the firmware of any problematic phone model?

regds,

aman

[Neeraj_Jugran]

Hi Aman,

Thanks for replying on this case. 

CUCM version is 9.1.2 and I am facing the same problem in each IP phones.

Recently I have upgraded firmware of all CP7821 IP phones in our network. 

Regards,

Neeraj Jugran

[Jaime Valencia]

Try restarting the RIS service.

[Aman Soi]

try as suggested by Jaime.

[Neeraj_Jugran]

Hi Aman,

Thanks for your kind support on this issue.

Regards,

Neeraj 

[Neeraj_Jugran]

Hi Jaime,

thank you for your update on the case. 

I opened the TAC case for the same issue and TAC engineer had given the same solution as you suggested above.

Regards,

Neeraj