Digium, Inc.
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Appendix C Glossary and Acronyms
MGCP
Media Gateway Control Protocol
multiplexing
Transmitting multiple signals over a single line or channel. FDM
(frequency division multiplexing) and TDM (time division multiplexing)
are the two most common methods. FDM separates signals by dividing
the data onto different carrier frequencies, and TDM separates signals by
interleaving bits one after the other.
mux
multiplexer
A device which transmits multiple signals over a single communications
line or channel. See multiplexing.
node
A terminal in a computer network.
NT
Network Termination
A device connecting the customer's telephone or data equipment to the
local ISDN exchange carrier's line. NT devices are connected to TE
devices.
PBX
Private Branch Exchange
A smaller version of a phone company’s large central switching office.
Example: Asterisk.
PCI
peripheral component interconnect
A standard bus used in most computers to connect peripheral devices.
