Need Clock on GD3

[Rosenbaum]

Hello,

i have a Querstion, we have 7 Locations, in the Main Location is a PMX, all other Locations has a ISDN Connection for the clock.
Now my Provider says a GD3 does not need a ISDN connection for the clock. Is that true?

Cheers

[vad]

You can use time from NTP server (for PABX).
If you have different location - manage IP/IP domain (you can declare different time zone for different IP domain).

[Eliott]

What do you mean with clock?
Clock like for DECT/Fax (infocs) or Clock like time.
I think vad misunderstood you.
Clock is not mandatory, yes.
Time can be used from NTP but it’s done via OXE CPU callhandling.