We are facing timetamp issue in 3905 SIP Phones . We have configure the proper time , NTP server reference (Which is same Router ) , timezone , datetime format.
But Phone is showing different timestamp rather than "show clock" output from router. While CME responding the register message for SIP Phone it's sending the wrong time other than Router time. Suspecting this is the reason why phone is displaying the wrong time.
What could be the issue ? What is the resloution for this.
We are getting wrong time in the Phone. We configured the IST timezone & NTP Server in the Voice register pool.
NTP also same CME router which is configured with IST timezone. When i see the Register ACK message CME is sending with " GMT" timezone . That is the reason it's diaplying the GMT time in phone instead of IST.
IntroductionCUCM Routing RulesDial String implementation PolicyCUCM Routing LogicSIP URI Call Routing Analysis+++ Case Study: 1 ++++++ Case Study: 2 +++Conclusion
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