Specifications

Digium, Inc.
the data onto different carrier frequencies, and TDM separ
interleaving bits one after the other.
MUX multiplexer
A device which transmits multiple signals over a single co
line or channel. See multiplexing.
PBX private branch exchange
A smaller version of a phone company’s large central switc
Example: Asterisk.
PCI peripheral component interconnect
A standard bus used in most computers to connect periphe
POP point of presence
The physical connection point between a network and a te
network. A POP is usually a network node serving as the e
CO to a network service provider or an interexchange carr
POTS plain old telephone service
The public switched telephone network (PSTN) is the networ
world's public circuit-switched telephone networks. Origin
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