AT&T 1987 AT&T Telephone User Manual


 
PERSONAL LINES
Description
Provides a dedicated outside line for multiline voice terminal users.
Unlike pooled facilities, which can be accessed via dial codes, Personal Lines can be accessed
only via a dedicated feature button, and provide both incoming and outgoing service. Up to
16 terminals may share a Personal Line (up to 8 in R1V1). Up to four parties may be off-
hook on the line at the same time (the line itself is the fifth conferee). When the line is
busy, its status LED lights at all terminals on which the line appears. Ringing may be
provided optionally to one or more of the terminals sharing the line.
For each Personal Line, one station is administered as the principal (owner). The call
coverage of that terminal determines the call coverage of the Personal Line.
Considerations
Personal Lines provide facilities to users who desire direct access to the exchange network.
In addition, Personal Line appearances are provided on the Direct Trunk Attendant Console
for general use trunks. Appearances of these lines may also be provided at selected
multiline voice terminals to ensure call coverage when the attendant is not available. DID
trunks cannot be terminated on Personal Line buttons.
Personal Lines provide direct access for callers, bypassing the attendant. In some cases,
they may substitute for DID service.
Interactions
Attendant Console, Direct Trunk: On the Direct Trunk Attendant Console
(DTAC), trunks are terminated as Personal Lines. The DTAC can accommodate a
maximum of 26 Personal Lines (24 is the practical limit).
Attendant Console, Switched Loop: Personal Lines cannot be terminated on a
Switched Loop Attendant Console.
Call Coverage: The call coverage of the principal station (owner) determines call
coverage for the line.
Call Park: A parked Personal Line is bridgeable by any user with a button
appearance of that line. Bridging on to the connection does not unpark the call. The
parked call will not return to the parking user.
Call Pickup: After a call is picked up from a Personal Line button, the called
terminal can still enter the call.
Direct Group Calling: The same trunk may be used as a Personal Line and also be
directed to a DGC group.
If an incoming call is not answered by the DGC group
after a predetermined number of rings, ringing and LED flashing will be transferred
to all button appearances of the line (unless a DGC delay announcement is provided).
Hold: A Personal Line cannot be placed on hold if any other stations that share the
line are also off-hook on the line.
2-184