Lucent Technologies MERLIN LEGEND Release 7.0 System Planning Manual page 448

MERLIN LEGEND Communications System Release 7.0
System Planning 555-670-112
Glossary
Multiplexing
Music-On-Hold
N
Network
Network Interface
NI-1 BRI
Non-Local Dial
Plan
Non-Local
Extension
Non-Local User
Non-Satellite
System
O
Off-Hook
Off-Premises
Telephone
Ones Density
On-Hook
Division of a transmission channel into two or more
independent channels—either by splitting the frequency
band into a number of narrower bands or by dividing the
channel into successive time slots.
Customer-provided music source or Magic On Hold
connected to the system through a loop-start jack.
Configuration of communications devices and software
connected for information interchange.
Hardware, software, or both that links two systems in an
interconnected group of systems—for example, between
the local telephone company and a PBX.
National Integrated Services Digital Network 1 Basic Rate
Interface . 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 system that is part of a private network , list of
extension ranges that the local system references in order
to route non-local intersystem calls via UDP .
In a system that is part of a private network , extension that
is in the non-local dial plan .
In a private network , user who is connected to another
system in the network and not to the local system.
In a private network, 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 prohibits eight consecutive zeros 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.
Issue 1
April 1999
GL-20