beautypg.com

Panasonic 15000 User Manual

Page 140

background image

- 140 -

List of terms

Nortel Multiservice Switch 7400/15000/20000

Terminology

NN10600-005 7.2S1 Standard

PCR7.2 and up March 2006

Copyright © 2006, Nortel

Nortel Confidential

V5.2

An interface specification defined in the ETSI EN 300 324-1 and
ETSI EN 300 347-1 standards. A V5.2 interface connects a local exchange in
a PSTN network to a number of remote end users.

variable

The field in a component name that can be used to store an attribute. The
attribute denotes the external representation of a variable. A variable is the
internal representation of an attribute.

variable bit rate (VBR)

See

non-real time variable bit rate (NRT-VBR) (page 91)

and

real time variable

bit rate (rt-VBR) (page 111)

.

VBD

See

voice band data (VBD) (page 145)

.

VBR

See

variable bit rate (VBR) (page 140)

.

VBR shaping

See

inverse-UPC shaping (page 68)

.

VC

1

See

virtual channel (VC), ATM networking (page 141)

.

2

See

virtual circuit (VC), frame relay networking (page 142)

.

VCC

See

virtual channel connection (VCC) (page 141)

.

VCI

See

virtual channel identifier (VCI) (page 141)

.

VCL

See

virtual channel link (VCL) (page 141)

.

VC ping

A command used to determine the path of a frame relay VC or the round trip
delay of the frame relay VC. See “ping” (page 102).

VCS

See

Virtual Circuit System (VCS) (page 142)

.

VGCP

See

voice gateway control protocol (VGCP) (page 145)

.