H - Electricity – 04 – M
Patent
H - Electricity
04
M
344/18
H04M 11/00 (2006.01) H04M 11/06 (2006.01) H04Q 11/04 (2006.01)
Patent
CA 1220843
- 23 - DIGITAL TERMINAL KEYBOARD DIALING Abstract of the Disclosure 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.
458224
American Telephone & Telegraph Company
Kirby Eades Gale Baker
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