Time sync in UC

Guys,
A have a 2 (two) questions about time syncronization in UC environment:
1. Is this true, that CIPC gets the time, it displays in the upper-left corner, from PC it running on ? Why ?
2. Is it necessary to configure Phone NTP references ? Is this only for SIP-based IP Phones ?

have you guys ever changed the time on the server and it does not change on the phones? I ran into this before. t is not related to your question but it is "Time" related. Anyone know any fix other than installing the patches?

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    This posting is provided AS IS with no warranties or guarantees , and confers no rights.
    Ahmed MALEK
    My Website Link
    My Linkedin Profile
    My MVP Profile

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    Hi,
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    More information for you:
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    http://social.technet.microsoft.com/Forums/windowsserver/en-US/e5e26e4f-1988-4ec1-8837-6d1d503130e7/cant-get-ntp-time-working-on-server-2008-r2-dc?forum=windowsserver2008r2general
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    Error message when you run the "w32tm /resync" command to synchronize Windows Server 2003 or Windows SBS to an external time source: "The computer did not resync because no time data
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    B John

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