Instruction manual

MERLIN LEGEND Communications System Release 5.0
Maintenance and Troubleshooting
555-650-140
Issue 1
June 1997
Glossary
Page GL-11
conversion
resource
See modem pool.
COR (class of restriction) Various types of restrictions that
can be assigned to remote access trunks or barrier
codes. These restrictions consist of calling
restrictions, ARS Facility Restriction Levels (FRLs),
Allowed Lists, Disallowed Lists, and pool dial out
restrictions.
Coverage Set of system features that can determine how
extensions’ calls are covered when the person at the
extension is busy or not available.
CRC (cyclic redundancy check) An error-detection code
used on
DS1 facilities with the extended superframe
format (ESF).
CSU (channel service unit) Equipment used on customer
premises to provide
DS1 facility terminations and
signaling compatibility.
CTI link (Computer Telephony Integration) link. Part of the
PassageWay Telephony Services application that
allows a link to a LAN running Novell NetWare
software for worktop software application control of
SA button calls in a Hybrid/PBX mode system.
See
also
screen pop.
cyclic redundancy
check
See CRC.