Lucent Technologies 555-670-111 ユーザーズマニュアル
MERLIN LEGEND Communications System Release 7.0
System Programming
System Programming
555-670-111
Issue 1
April 1999
Glossary
GL-23
PRI
Primary Rate Interface. Standard interface that specifies
the protocol used between two or more communications
systems. As used in North America, it provides twenty-
three 64-kbps
the protocol used between two or more communications
systems. As used in North America, it provides twenty-
three 64-kbps
B-channels for voice and/or data and one 16-
kbps
D-channel, which carries multiplexed signaling
information for the other 23 channels.
Primary System
Operator Position
Operator Position
First
jack on the first MLX or analog multiline extension
module in the control unit—that is, the extension jack with
the lowest logical ID in the system.
the lowest logical ID in the system.
Prime Line
Individual extension number assigned to a telephone in a
system operating in
system operating in
Behind Switch mode. Each telephone
user has his or her own prime line and is automatically
connected to that line when he or she lifts the handset.
connected to that line when he or she lifts the handset.
Priority Call
Queuing
Queuing
System function that prioritizes calling groups, thereby
allowing certain incoming calls to be answered before
others. Available in Release 7.0 and later systems.
allowing certain incoming calls to be answered before
others. Available in Release 7.0 and later systems.
Private
Communications
Network
Communications
Network
See
.
Private Network
Interconnected group of
communications systems, which
may consist of MERLIN LEGEND Communications
Systems, DEFINITY Enterprise Communications Servers
(ECS), and/or DEFINITY ProLogix Solutions.
Systems, DEFINITY Enterprise Communications Servers
(ECS), and/or DEFINITY ProLogix Solutions.
Private Network
Trunks
Trunks
Facilities that connect
communications systems in a private
.
Processor Module
Module in the second slot of the control unit (Slot 0, to the
right of the
right of the
power supply module). Includes the software
and memory that runs the system.
Programming Port
Reassignment
Reassignment
Reassignment of the system programming jack position to
any of the first five extension jacks on the first MLX module
in the control unit.
any of the first five extension jacks on the first MLX module
in the control unit.
Protocol
Set of conventions governing the format and timing of
message exchanges between devices, such as an MLX
telephone and the control unit.
message exchanges between devices, such as an MLX
telephone and the control unit.
PSTN
Public Switched Telephone Network. Network that is
commonly accessible for local or long-distance calling. Also
called “public network” or “public switched network.”
commonly accessible for local or long-distance calling. Also
called “public network” or “public switched network.”
PSTN Trunk
In a
private network, facility that connects a networked
system to the
public switched telephone network.
Public switched
Telephone
Network
Telephone
Network
See