Alphanumeric message composing method using telephone keypad

Alphanumeric messaging system

Alphanumeric registration method and device of a system with alp

Analog controls housed with electronic displays for telephones

Answering machine services for data conferences

Apparatus and method for a digital data communications device to

Apparatus and method for a modem for detecting a call waiting si

Apparatus and method for a PHY transmitter with programmable...

Apparatus and method for automatic and user configurable informa

Apparatus and method for communicating voice and data...

Apparatus and method for configuring a computer system and a mod

Apparatus and method for determining incoming call destination w

Apparatus and method for determining the state of a telephone li

Apparatus and method for electronic device for information servi

Apparatus and method for electronic device for information servi

Apparatus and method for interfacing between a communications ch

Apparatus and method for interfacing between a communications ch

Apparatus and method for interrupting data transmissions

Apparatus and method for modem wake-up with autobaud function

Apparatus and method for parallel transmission of data over a te