Method for controlling allocation of a communication link

Details Method for controlling allocation of a communication link Method for controlling allocation of a communication link

1991-04-12

1993-05-04

Schreyer, Stafford D.

Telephonic communications

Polystation line system

379350, 379377, 178 2C, 370 581, H04N 1300

Patent

active

052088510

ABSTRACT:
A plurality of consoles (111-113) share use of a single landline (101) with minimal requirements for internal maintenance data signalling. As two or more consoles both share use of the link, a telephone interface (103) assigns one of the consoles to be responsible for maintenance signalling. If and when the assigned console concludes its communication needs or otherwise becomes unable to continue the maintenance signalling, the telephone interface will assign a new interested console to provide the maintenance signalling. This continues until no consoles remain having an interest in maintaining the communication link. In one embodiment, when the link is used by only a single console, a hold function can be accommodated. When two or more consoles are serviced, however, the hold function is not applied. Also, when the link has been placed on hold, any console can remove the hold condition.

REFERENCES:
patent: 4368358 (1983-01-01), Herschtol
patent: 4711976 (1987-12-01), Narjes
patent: 5086424 (1992-02-01), Motohashi et al.

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