User Manual NRP1000 Series IP Phone5-16 www.newrocktech.comName DescriptionOffset Sets the variety length.Month Sets the start and end month.Week Sets the start and end week.Day Sets the start and end day.Hour Sets the start and end hours.First of all, you need to disable the SNTP service, and above the date hours minutes each of which is requiredto complete and submit to make manual.5.5 VoIP5.5.1 SIPConfigure the SIP server in the following interface: