Industry Standard Telephone User’s Guide

P

Paging

This feature allows station users to dial-up customer provided loudspeaker paging equipment and page over externally placed loudspeakers and determines what paging zones, if any, a sta- tion can page over.

Prime Line

A line designated to a particular telephone and automatically selected when the handset is lifted.

Privacy

Line feature, assigned by the programmer, to allow any one station to access a line at any time; no other station has access to the line unless the user makes it available through confer- encing.

Pulse/Tone Switching

Changing from pulse/rotary dial signals to tone/DTMF signals.

Q

Queue

Method by which a station user waits for an available line by dialing a code and waiting for the system to call back.

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Vertical Communications DSU II manual Paging, Prime Line, Privacy, Pulse/Tone Switching, Queue