Method and apparatus for cashless transactions via a...

Method and apparatus for changing operational mode of a facsimil

Method and apparatus for combining voice line card and xDSL...

Method and apparatus for communicating data over a telephone...

Method and apparatus for configuring a modem capable of operatin

Method and apparatus for connecting a telephone to a voice capab

Method and apparatus for connecting a television interphone...

Method and apparatus for connecting a television interphone...

Method and apparatus for connecting and operating lockers...

Method and apparatus for connecting broadband voice and data...

Method and apparatus for control lockout and transfer during...

Method and apparatus for controlling participant input in a...

Method and apparatus for controlling regular and supressed ringi

Method and apparatus for controlling the receive state of a facs

Method and apparatus for converting rotary signals to audiofrequ

Method and apparatus for coupling a voiceband modem circuit...

Method and apparatus for coupling a voiceband modem circuit...

Method and apparatus for data evidence collection

Method and apparatus for detecting a call waiting signal on a te

Method and apparatus for detecting facsimile transmission