Rolm Systems

Michael J Horowitz

Elie Antoun Jreij

Tave P Dunn

Robert D Whittington

Werner Huber

Peter E Gersing

Jack D Collins

A method apparatus for selectively passing various types of telephony information between a data communications port on a digital telephone and a computer run application program. In one embodiment, the application program can select a subset of telephony events by way of a telephony command to the telephone's data communication port. This command is processed by a telephony command processor within the data communications controller which, in turn, sets a programmable event mask within the telephone. In response to the event mask being set, only the selected telephony events are spontaneously reported to the host computer and application program.

Method and apparatus for masking the reporting of network telephony

The present invention is a digital telephone control interface system that provides a programmable control to the keys of a digital feature telephone. The programmable control selectively masks the keys present on a telephone and prevents masked keys from being directly responded to by the telephone or routed to the telephone switching network. While the keys are masked, the programmable control can suppress, delay, modify or enhance the key events produced by the masked keys as directed by the application software being run by the programmable control.

Digital telephone control interface system

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Ann Arbor, MI, United States of America

Michael J Horowitz