incoming call appearing twice number in cisco 7811

[immu_91700]

this is hotel side each room we have two  two phones but when we call from one room to another room in display we  are receiving number and name twice kindly need your support to fix this issue. 

rare receiving name twice Kindly find the images below  

Kindly anyone can suggest me which are option to be check and unchecked 

[Prassha]

Check the alerting name set for the phone line, I am suspecting it is set so,  that's why it displays twice?

> I believe you are facing this issue for internal calls only? not external, let me know if external calls are also affected?

If it is correct? then let me know :
> CUCM version?
> Is it a new setup?
> What is phone firmware?
> Have you tried reset the phone or factory reset? if so what was the outcome?

Regards,

PRASSHA3

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[immu_91700]

hi Parashaa,

thank you for your response kindly find the below answer 

If it is correct? then let me know :
> CUCM version? 11.5
> Is it a new setup? yes
> What is phone firmware?
> Have you tried reset the phone or factory reset? if so what was the outcome? all the phones showing same i have 378 phones in hotel 

[Prassha]

Hello Immu

Did you Check the alerting name set for the phone line?
Have you tried reset the phone ?