[Asterisk-Users] Re: CID troubles...

[Emilio Panighetti]

That's actually the way most IP phones work. NTP is always in UTC 
format. One caveat is that many SIP phones are a bit dumb when it comes 
to daylight time changes, and have to be re-provisioned every time the 
daytime offset changes.
They would just need to know what time of the year they have to change, 
but they don't know that

On Oct 15, 2004, at 8:26 AM, jeffpowen at comcast.net wrote:

> Figured it out...the SPA does a NTP call to the server running ntpd.  
> As long as the timezone offset is up to date the caller-id will 
> display the appropriate time and update all the handsets with the 
> correct time.
>  
> -Jeff
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