Instruction manual

Glossary
Automated
Attendant
Automatic Line
Selection
Automatic
Number
Identification
automatic
ringdown tie-
trunk
Automatic
Route Selection
automatic-start
tie trunk
auxiliary power
unit
B8ZS
B-channel
bandwidth
barrier code
basic carrier
Basic Rate
Interface
baud rate
An IS II/III, MERLIN MAIL, and MERLIN Attendant
application that automatically answers incoming calls with a
recorded announcement and directs callers to a
department, an extension, or the system operator.
See ALS.
See ANI.
See automatic-start tie trunk.
See ARS.
A tie trunk on which incoming calls are routed to an
operator or other designated destination without a start
signal. Also called automatic ringdown tie-trunk or auto-in
tie trunk.
A device that provides additional power to the
communications system.
(Bipolar 8 zero substitution) A line-coding format that
encodes a string of eight zeroes in a unique binary
sequence using bipolar violation. See also bipolar signal
and bipolar violation.
A 64-kbps channel that carries a variety of digital
information streams, such as voice at 64 kbps, data at up to
64 kbps, wideband voice encoded at 64 kbps, and voice at
less than 64 kbps, alone or combined with other digital
information streams. Also called bearer channel.
The difference, expressed in hertz, between the highest
and lowest frequencies in a range of frequencies that
determine channel capacity.
A password used to limit access to the Remote Access
feature of the communications system.
A piece of hardware that holds and connects the processor,
power supply, and up to five modules in the
communications system. See also expansion carrier.
See BRI.
A unit of transmission speed equal to the number of signal
events per second. See also bit rate and bps.
Glossary
GL-3