3.
Choose Auto Attendant for Office hours and Non-office hours for the SIP trunk. In
this example, when you call 866669@iptel.org during the office hours, you will hear
office hours greeting (Prompt 5): during the non-office hours, you will hear the
non-office hours greeting (Prompt 6).
4.
Make sure the system time is synchronized from the System Maintenance >> Time
and Date page.
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VigorIPPBX 2820 Series User's Guide