Instruction manual

DEFINITY® Business Communications System and GuestWorks® Issue 6
Overview
555-231-208
Issue 1
April 2000
Glossary and Abbreviations
GL-9
voice and data communications services, including access to public and private networks, for
telephones and data terminals on a customer’s premises. See also switch
.
companding
Compress + Expand. Compress the digital code prior to transmission, and expand the received
code prior to reconstructing the analog signal. This is a nonlinear encoding technique to minimize
data rate requirements yet preserve signal quality.
confirmation tone
Three short bursts of tone that confirms a feature activation, deactivation, or cancellation has been
accepted. This tone also can indicate that an outgoing call from a single-line telephone was placed
in a ringback queue.
connectivity
The connection of disparate devices within a single system.
console
See attendant console
.
contiguous
Adjacent DS0s within one T1 or E1 facility or adjacent TDM or fiber time slots. The first and last
TDM bus, DS0, or fiber time slots are not considered contiguous (no wraparound). For an E1 facility
with a D-channel, DS0s 15 and 17 are considered contiguous.
control cabinet
See control carrier
.
control carrier
A carrier in a multicarrier cabinet that contains the SPE circuit packs and, unlike an R5r control
carrier, port circuit packs. Also called control cabinet in a single-carrier cabinet. See also
switch-processing element (SPE)
.
controlled station
A station that is monitored and controlled via a domain-control association.
COR
See Class of Restriction (COR).
COS
See Class of Service (COS)
.
coverage answer group
A group of up to eight telephones that ring simultaneously when a call is redirected to it by Call
Coverage. Any one of the group can answer the call.
coverage call
A call that is automatically redirected from the called party’s extension to an alternate answering
position when certain coverage criteria are met.
coverage path
The order in which calls are redirected to alternate answering positions.
coverage point
An extension or attendant group, Call Vectoring directory number, or ACD split designated as an
alternate answering position in a coverage path.
coverage tone
A long-burst of tone indicating to the calling party that a call to an extension is being answered at
another extension by a covering user.