IP Phones' time Not synchronized with NTP server

Unanswered Question
Sep 14th, 2010
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I am facing a problem with time synchronization; I have Call Manager and it is not synchronizing with the NTP server.

Our NTP server is windows based not Linux.

I checked all the NTP configuration, as you can see

NTP refrence.PNG

I chose the mode to be " Directed Broadcast"

In the Date/Time Group Configuration I added the NTP server (it is a domain controller in the network) as you can see

DateTime Group Configuration.PNG

Now when I check the Call Manager server, I find that Call Manager does not synchronize with the NTP ! it synchronizes with itself only ! as you can see


I have to restart the NTP server in order to resynchronize the time.

Please Can anyone help me?? is there anyway to use Windows server NTP or I should use Linux ?

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