protocol

Glossary

protocol

Q

A set of conventions or rules governing the format and timing of message exchanges to control data movement and correction of errors.

PSDN

Packet-switch public data network.

PSTN

See Public Switched Telephone Network (PSTN).

PSN

Packet-switched network.

Public Switched Telephone Network (PSTN)

The worldwide voice telephone system.

QPPCN

Quality Protection Plan Change Notice.

QSIG

R

A set of open standards for Enterprise Networking. QSIG is a protocol defining message exchanges (signalling) at the “Q” reference point between two PBXs.

RBS

Robbed-bit signaling.

RFC

Request for comment.

restricted facilities

PRI spans that use ZCS line coding, the opposite of unrestricted facilities.

RNX

Route-number index (private network office code)

router

An interface between different networks. Routers support network management, including load balancing, route optimization, prioritizing of calls, and troubleshooting. They are thus more capable than bridges.

 

 

Administration for Network Connectivity

484

CID: 77730

555-233-504 — Issue 1 — April 2000

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Lucent Technologies Release 8.2 manual Psdn, Pstn, Psn, Qppcn, Rbs, Rfc