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trunk group table
A table that defines the trunk groups for the office.
universal tone receiver
An optional service card in the peripheral module that serves as a Digitone
receiver for lines and as a multifrequency receiver for trunks. The UTR is a
32-channel receiver. Thirty channels detect dual-tone multifrequency tones
and analyze the samples. The results are sent to the signaling processor.
UTR
See universal tone receiver.
UUI
user to user interface
virtual private network
A network of PBXs owned by a private company. These PBXs connect
directly to each other and directly to LEC and IEC switches.
VNET
Virtual network; MWC's version of a virtual private network. See virtual
private network.
VPN
See virtual private network.
WATS
See wide-area telecommunications service.
wide area telephone service
Telephone company service allowing reduced costs for certain telephone call
arrangements.
XLAIEC
interexchange carrier translation and routing
XMS peripheral module
An XPM has two processors in a hot-standby configuration: a master
processor and a signaling processor.
XPM
See XMS peripheral module.
ZCS
zero code suppression
Digital Switching Systems DMS-250 ISDN Reference Manual MWC14 (CSP14)
List of terms 20-21
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