Lucent Technologies 555-670-111 Manuel D’Utilisation
MERLIN LEGEND Communications System Release 7.0
System Programming
System Programming
555-670-111
Issue 1
April 1999
Glossary
GL-27
T
System
Programming
Programming
Programming of system functions and features that affect
most users, performed from an MLX-20L telephone or a
computer using
most users, performed from an MLX-20L telephone or a
computer using
.
System
Programming and
Maintenance
Programming and
Maintenance
See
System
Renumbering
Renumbering
Procedure used to change the numbers assigned to
telephones,
telephones,
adjuncts, calling groups, paging groups, park
zones,
Remote Access, and lines/trunks.
T1
Type of digital transmission facility that, in North America,
transmits at the
transmits at the
DS1 rate of 1.544 mbps.
T1-Emulated Data
A T1
tie trunk programmed for S56DATA for use by data
calls at speeds up to 56 kbps. These trunks may be used
for tandem and non-tandem operation.
for tandem and non-tandem operation.
T1-Emulated Voice
A T1
tie trunk programmed for Tie-PBX or Tie-Toll for use
by voice calls.
T1 Switched 56
Service
Service
T1 digital data transmission over the public network or over
a
a
private network at 56 kbps. See
.
Tandem Switching
Capability of
private network communications systems that
allows them to direct outside calls from one facility to
another, rather than just to an extension. Calls may be
sent, for example, from a
another, rather than just to an extension. Calls may be
sent, for example, from a
PSTN facility to a tandem trunk,
or vice versa.
Tandem Trunk
Private outside facility (as opposed to an inside system
line) that connects two communications systems in a
private network and can carry calls to another outside
facility through
line) that connects two communications systems in a
private network and can carry calls to another outside
facility through
tandem switching. The trunk is not
connected to the
PSTN.
Tandem Tie Trunk
Tandem trunk that is an analog delay-start tie trunk,
providing a single line/trunk per facility and allowing
providing a single line/trunk per facility and allowing
analog
transmission of voice and low-speed data; or a T1 facility
offering 24 channels on emulated tie trunks and
programmed for voice or data.
offering 24 channels on emulated tie trunks and
programmed for voice or data.
Tandem PRI Trunk
Tandem Primary Rate Interface Trunk. Private network
trunk.
trunk.
TAPI
Telephony Application Programming Interface. Application
programming interface that allows computer telephony
applications to be used. TAPI is not yet supported by the
MERLIN LEGEND Communications System. See also
programming interface that allows computer telephony
applications to be used. TAPI is not yet supported by the
MERLIN LEGEND Communications System. See also
.