Lucent Technologies MERLIN LEGEND Release 6.1 Maintenance And Troubleshooting Manual page 491

MERLIN LEGEND Communications System Release 6.1
Maintenance and Troubleshooting 555-661-140
T1-emulated voice
T1 Switched 56
service
tandem switching
tandem trunk
tandem tie trunk
tandem PRI trunk
TAPI
telephone power
supply unit
terminal adapter
tie trunk
timed flash
tip/ring
A T1 tie trunk programmed for Tie-PBX or Tie-Toll for use
by voice calls.
T1 digital data transmission over the public network or
over a private network at 56 kbps . See Switched 56
service .
The capability of private network communications
systems that allows them to direct outside calls from one
facility to another facility, rather than just to an extension.
Calls may be sent, for example, from a PSTN facility to a
tandem trunk or vice versa.
An 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 tandem switching . The trunk is not
connected to the PSTN .
A tandem trunk that is an analog delay-start tie trunk ,
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.
(tandem Primary Rate Interface trunk) A private network
trunk.
Telephony Application Programming Interface. An
application programming interface that allows computer
telephony applications to be used. TAPI is not yet
supported by the MERLIN LEGEND Communications
System. See also TAPI, CTI.
Equipment that provides power to an individual telephone.
See ISDN terminal adapter .
Private trunk directly connecting two telephone switches.
See switchhook flash .
Contacts and associated conductors of a single-line
telephone plug or jack.
Issue 1
August 1998
Page GL-35