Cell phone having local wireless conference call capabilities

Details Cell phone having local wireless conference call capabilities Cell phone having local wireless conference call capabilities

2007-11-06

2007-11-06

Gauthier, Gerald (Department: 2614)

Telecommunications

Radiotelephone system

Special service

C429S010000, C455S466000, C455S552100

Reexamination Certificate

active

10001505

ABSTRACT:
A cellular telephone having a transceiver for making cellular telephone calls is equipped with a second transceiver for establishing communication with other devices having similar capabilities. The cellular telephone uses the second transceiver to establish a local voice channel with another communication device, and combines it with a cellular call to create a multiparty conference call. A mixer mixes voice from the call and local voice channel. The second transceiver implements a local area wireless protocol.

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Short range radio based ad-hoe networking: performance and properties Abbreviated Journal Title: 1999 IEEE International Conference on Communication (Cat. No. 99CH36311) vol. 3 1999, ISBN-0 7803 5284 X.

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