×

Method of invoking and canceling voice or data service from a mobile unit

  • US 5,590,406 A
  • Filed: 04/21/1995
  • Issued: 12/31/1996
  • Est. Priority Date: 11/15/1993
  • Status: Expired due to Term
First Claim
Patent Images

1. A method of invoking and canceling voice service and data service in a communication system comprising a mobile unit supporting simultaneous voice and data communication having a keypad for receiving and providing user data and a speaker, microphone, and vocoder unit for receiving and providing encoded voice signals, and a terminal equipment unit input for receiving and providing digital data, said communication system further comprising a base station having a vocoder portion for receiving and providing said encoded voice signals and said user data and a modem portion for receiving and providing said digital data and said user data wherein a wireless link couples said encoded voice signal, said user data, and said digital data between said mobile unit and said base station, comprising the steps of:

  • receiving at said mobile unit from said terminal equipment input a first modem command within said digital data wherein said first modem command designates a directory number and a request to establish a first voice communication between said mobile unit and said base station; and

    receiving said first modem command at said modem portion of said base station and establishing said first voice communication in response to said first modem command such that said encoded voice signals are passed from said speaker, microphone, and vocoder unit over said wireless link to said vocoder portion of said base station and from said vocoder portion of said base station over said wireless link to said speaker, microphone, and vocoder unit.

View all claims
  • 1 Assignment
Timeline View
Assignment View
    ×
    ×