AT&T AT&T Protocol, Public Network, Queue, Queuing, Random Access Memory RAM, Recall Dial Tone

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

Public Network

The network that can be openly accessed by all customers for local or long-distance calling.

Queue

An ordered sequence of calls waiting to be processed.

Queuing

The process of holding calls in order of their arrival to await connection to an attendant, to an answering group, or to an idle trunk. Calls are automatically connected in first-in, first-out sequence.

Random Access Memory (RAM)
A storage arrangement	whereby	information can	be retrieved at a speed independent
of the location of the stored information.
Read Only Memory (ROM)
A storage arrangement	primarily	for information	retrieval applications.

Recall Dial Tone

Three short bursts of tone followed by steady dial tone; indicates the system has completed some action (such as holding a call) and is ready to accept dialing.

Redirection Criteria

The information administered for each voice terminal that determines when an incoming call is redirected to coverage.

Reorder Tone

A fast-busy tone repeated 120 times a minute; indicates that at least one of the facilities, such as a trunk or a digit transmitter, required for the call was not available at the time the call was placed.

Single-Line Voice Terminal

Voice terminal served by a single-line tip and ring circuit (2500 series and 7101A voice terminals or industry standard Dual Tone Multifrequency equivalent).

SAT: (System Administration Terminal)

SIP: (Station Interconnect Panel)

SMDR: (Station Message Detail Recording)

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