AT&T MERLIN MAIL System Programming And Maintenance Manual page 30

Overview
Automated Attendant Service Scheduling
You can set up Automated Attendant Service to provide different greetings,
menus, and announcements for calls received when your company is open for
business and when it is closed. For calls received during scheduled business
hours, Automated Attendant Service plays the day greeting, menus, and
announcements; for calls received after scheduled business hours,
Automated Attendant Service plays the night greeting, menus, and
announcements.
The Automated Attendant Service uses the Night Service schedule from your
MERLIN LEGEND system, or a separate schedule you setup for the MERLIN
MAIL—ML system, to determine whether your company is open or closed at
the time of a call.
RECOMMENDATION:
Use the MERLIN LEGEND Night Service feature to administer the
schedule and set every day to closed on the MERLIN MAIL—ML
business schedule. In this way, the MERLIN LEGEND system controls
the MERLIN MAIL—ML schedule.
It is not recommended to use the MERLIN MAIL—ML business schedule
to enter your company's normal hours of operation if you also use the
MERLIN LEGEND Night Service feature. When you use both, the
schedules can contain different information and there can be undesired
interactions between the schedules.
When the MERLIN LEGEND system begins or ends Night Service, it
sends a command to the MERLIN MAIL—ML system causing the
MERLIN MAIL—ML system to go into night or day mode. The commands
sent by the MERLIN LEGEND system will override the business schedule
set on the MERLIN MAIL—ML system.
For example, if the MERLIN MAIL—ML business schedule is
programmed to be in day mode from 8 a.m. to 6 p.m., but the MERLIN
LEGEND begins Night Service at 4 p.m., then the MERLIN MAIL—ML
system will prematurely go into night mode at 4 p.m. instead of at 6 p.m.
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System Services and Features