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How to Configure Phone book on Cisco 8851 & 8841?


I have number Cisco 7821, 8841 & 8851 IP Telephones configured & working fine on Cisco 3945 Router.

The Configuration is done on Cisco Call Manager Express 10.5. It took allot of time for the Configuration as all these IP Telephones are SIP Protocols. I have managed to enable  the Phone book  to make it worked on Cisco 7821, after I have done allot of research. It does not show all the names straight away, the user has to search by name using Alphabets from the Dial pad. So on Cisco 7821, after you press the Phone book button I see the Search options by First Name & the Last Name. And whatever the Name I try to find out I can do so. But unfortunately, this feature failed to enable on other 2 Models (Cisco 8851 & 8841). So, is the Phone book Configuration for these 2 models are different?  And how it supposed to be configured? Is the configuration has to be on the Router like Cisco 7821 or on the Phone by itself?

Now If I press the Phone book button on Cisco 8841 & 8851, I see a message saying; "Contacts not available".

Here this is the example, how I have configured the Phone book feature (Working on Cisco 7821):

directory entry 1 9999 name John Smith

directory entry 2 9998 name Ron Wilson

directory entry 3 2424 name Alex Walton



So 1, 2 & 3 are the order numbers. 9999, 9998 & 2424 are the User's Extension Numbers & at the end the User's Name.


Thank you for understanding 

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