Modes Of Operation - Lucent Technologies MERLIN LEGEND 6 System Manager's Manual

MERLIN LEGEND Communications System Release 6.0
System Manager's Guide 555-660-118
2 About the System

Modes of Operation

Table 2–1. Modes of Operation
Key Mode
Description Telephones have multiple
buttons (or keys) labeled
with telephone numbers.
Every button corresponds
directly to an outside line.
Different buttons (ICOM
buttons) are used for
inside calls.
Types of Trunks Ground-start
Loop-start
Tie
DS1 (T1 only)
BRI
Number of
Extensions:
Fewer than 50 Good
More than 50 Not recommended
Types of Buttons A line button for each
outside line.
Up to 10 ICOM buttons for
inside calls.
User Access to Choosing a specific line
Outside button
Lines/Trunks
Types of Operator DLCs only
Console(s)
Recommended Smaller systems (fewer
Use than 50 extensions)
Hybrid/PBX Mode
Outside trunks are
grouped in pools for
shared use; the system
automatically selects an
available outside trunk.
People use the same
button to make both
inside and outside calls.
Ground-start
Loop-start
Tie
DS1 (PRI and T1)
DID
BRI
Private network trunks
(Release 6.0 and later)
Good
Good
Up to 10 SA buttons.
Pool button to access a
specific pool. (Optional) A
personal line button for
dedicated use of a
specific outside trunk.
Dialing a code (usually
from an SA button
DLC, QCC, or a
combination of both
Medium to larger systems
(more than 50 extensions)
February 1998
Page 2-17
Behind Switch Mode
Used when the system
(called the local system) is
connected to a larger PBX
or Centrex system (called
the host system). One
outside line (a prime line)
is assigned to each
telephone. The host
system provides the
interface to outside lines
and some features.
Ground-start
Loop-start
Tie
Good
Good up to 80
For multiline phones:
Multiple prime line buttons.
Up to 10 ICOM buttons.
) Dialing the host system's
dial-out code (usually
from a prime line button
DLCs only
For users who are part of a
large organization, for
example, a department
within a company or
companies which
subscribe to Centrex
services for most features
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