Telecommunications – Radiotelephone system – Special service
Patent
1998-02-27
2000-06-20
Tsang, Fan
Telecommunications
Radiotelephone system
Special service
455524, 455560, 455561, H04Q 738
Patent
active
060788097
ABSTRACT:
The present invention provides a method and apparatus for performing a multi-party communication in a communication system (100). The communication system (100) includes a first base unit (203) in communication with a first mobile unit (201) and a second base unit (204) in communication with a second mobile unit (202). The first base unit (203) and the second base unit (204) each include a decoder (213, 214), an encoder (223, 274) and a logic unit (233, 224). A communication is initiated between the first mobile unit (201) and the second mobile unit (202). The decoder (213) and the encoder 223 are bypassed in the first base unit (203) by the speech packets. A need is determined to include a third communication unit (239) in the communication. The third communication unit (239) is added to the communication, and the first mobile unit (201) and the second mobile unit (202) continue to transfer speech packets therebetween by bypassing the decoder (213) and the encoder (223) in the first base unit (203).
REFERENCES:
patent: 5768308 (1998-06-01), Pon et al.
patent: 5793810 (1998-08-01), Han et al.
Haas Kenneth A.
Motorola Inc.
Sobutka Philip J.
Tsang Fan
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