Christopher X Sutton

US Patent:

51519720, Sep 29, 1992

Filed:

Mar 13, 1991

Appl. No.:

7/668730

Inventors:

Alan S. Lorenz - Seattle WA
Christopher K. Sutton - Everett WA

Assignee:

Lynx Automation, Inc. - Seattle WA

International Classification:

H04M 1100

US Classification:

379 93

Abstract:

An improved method and system for integrating voice telephone and data terminal devices in a single system is described. The present system may be incorporated with an existing telephone system without modification of the telephone system. The present invention includes means for monitoring a telephone line and upon detection of a ringing signal, the system monitors the telephone line for either a DTMF or CNG signal. Upon detection of either signal, an incoming call is routed to a series connected device such as a data terminal.