AT&T Merlin II Installation And Maintenance Manual page 11

1-8 System Overview
MERLIN II Attendant. The MERLIN II Attendant
automatically answers and routes incoming calls. The
feature is available only when the optional MERLIN II
Attendant accessory is installed. Also, to gain access
to this feature, you must use the517C13 Basic
Telephone (012) Module.
The MERLIN II Attendant performs two major
functions (Figure 1-3):
Immediate call handling, in which all incoming
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calls are received and routed by the MERLIN II
Attendant. Multiple MERLIN II Attendants can
be used to handle call groups.
Backup call handling, in which incoming calls are
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directed to the MERLIN II Attendant if the
receptionist (Station 10) does not answer within a
predetermined number of rings.
Each of these functions includes night service call
handling in which the MERLIN II Attendant maybe
used for call coverage only after normal business
hours.
On-Line Module Swap. The On-Line Module Swap
feature allows you to replace a module in the control
unit without powering the system down. The
replacement module must be the same as the one
removed (i.e., a 408 module must be replaced with a
408 module). To use this feature, it is necessary to
follow the exact procedures described in "On--
w
Module Swap, on page 4-7.
Page All. This feature allows you to page all
telephones in the system at once over voice terminal
speakers.