Methods of and systems for monitoring a first call connection wh

Details Methods of and systems for monitoring a first call connection wh Methods of and systems for monitoring a first call connection wh

1981-08-12

1983-08-16

Olms, Douglas W.

Multiplex communications

Wide area network

Packet switching

179 18AD, 179 18B, H04Q 1104

Patent

active

043995322

ABSTRACT:
A second-incoming call appears at an attendant facility (34) within a PBX system (20) while the attendant is awaiting a response on a first-incoming call. The attendant activates an overlap button (35) to facilitate the conversion of the first-incoming call into a listen-only connection. The attendant then establishes a two-way connection between the attendant and the second-incoming call to be served by the PBX system (20). Thereafter, the attendant monitors the first-incoming call on a listen-only basis while simultaneously serving the second-incoming call associated with the two-way connection.

REFERENCES:
patent: 3301962 (1967-01-01), McKelvey et al.
patent: 3976841 (1976-08-01), Picandet
patent: 4257120 (1981-03-01), Funderburk et al.
patent: 4309572 (1982-01-01), Mori et al.
"Tuning in on the Space Shuttle," Jul.-Aug. 1981, We magazine.
Sales Brochure for Hitachi AX2X PABX.

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