Lucent Technologies MERLIN LEGEND Release 6.1 System Manager's Manual page 447

MERLIN LEGEND Communications System Release 6.1
System Manager's Guide 555-661-118
Glossary
NI-1 BRI
non-local user
non-local dial plan
non-satellite
system
O
off-hook
off-premises
telephone
ones density
on-hook
OPT
OPX
out-of-band
signaling
P
parity
(National Integrated Services Digital Network 1 Basic Rate
Interface) A type of digital facility that carries the equivalent
of three lines. Two are called B-channels and provide voice
and data communications services. A third D-channel
controls signaling and maintains operations on the
B-channels.
In a private network , a user who is connected to another
system in the network and not to the local system.
In a system that is part of a private network , a list of
extension ranges that the local system references in order
to route non-local intersystem calls via UDP .
In a private network, a communications system that is
directly connected to and located more than 200 miles from
the local system.
Telephone is said to be off-hook when the user has lifted
the handset, pressed the Speakerphone button to turn on
the speakerphone, or used a headset to connect to the
communications system or the telephone network.
See OPT .
Requirement for channelized DS1 service to the public
network that eight consecutive zeros cannot occur in a
digital data stream.
Telephone is said to be on-hook when the handset is hung
up, the speakerphone is turned off, and the user is not
using a headset to connect to the communications system
or the telephone network.
(off-premises telephone) Single-line telephone or other
tip/ring device connected to the system via a 008 OPT
module in the control unit. Appears as an inside extension
to the system, but may be physically located away from the
system.
(off-premises extension)
Signaling that uses the same path as voice-frequency
transmission and in which the signaling is outside the band
used for voice frequencies.
The addition of a bit to a bit string so that the total number
of ones is odd or even, used to detect and correct
transmission errors.
Issue 1
August 1998
Page GL-20