Enterprise HD PoE IP Phone
VIP-2020PT
Day
Setup start and end day.
Hour
Setup start and end hours.
Minute
Setup start and end minutes.
Manual Time Settings
First of all, User needs to disable the SNTP service, and the date hour minute
each of which is required to complete and submit to make manual.
8.3.3 VOIP
8.3.3.1 SIP
Set User SIP server in the following interface.
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