Digital terminal keyboard dialing

Details Digital terminal keyboard dialing Digital terminal keyboard dialing

1983-07-18

1985-08-13

George, Keith E.

H04M 1100

Patent

active

045351988

ABSTRACT:
The digital terminal keyboard dialing arrangement of this invention enables a user to originate data calls directly from any digital terminal keyboard without requiring the use of an associated telephone station set. In particular, the subject telephone switching system has a control signalling channel between the digital terminals and the system processor. This control signalling channel is used to convey the ASCII output from the digital terminal keyboard directly to the system processor on a call origination. Upon call completion, the ASCII output from the digital terminal keyboard is routed to the called party via the switching network.

REFERENCES:
patent: 4112258 (1978-09-01), Alles
patent: 4479123 (1984-10-01), Loskorn et al.
Accarino et al., "Frame-Mode Customer Access to Local Integrated Voice and Data Digital Networks," Report: 1979 IEEE International Conference on Communications, pp. 38.5.1-38.5.7.
Soames et al., "HERALD-A Business Telephone Communication System for the 1980s", Report: Conference on Communications Equipment & Systems, Birmingham, England, Apr. 16-18, 1980, pp. 155-159.
Divakaruni et al., "Dimension PBX: Advances for Today, Transitions for Tomorrow", Bell Laboratories Record, vol. 60, No. 9, Nov. 1982, pp. 254-259.

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