Method for direct voice telephone call using bluetooth terminal

Details Method for direct voice telephone call using bluetooth terminal Method for direct voice telephone call using bluetooth terminal

2006-04-11

2006-04-11

Tsang, Fan (Department: 2645)

Telecommunications

Transmitter and receiver at separate stations

Short range rf communication

C455S041300, C455S445000

Reexamination Certificate

active

07027774

ABSTRACT:
A method for direct voice telephone call using a bluetooth terminal. A direct voice telephone call between bluetooth terminals is made using a bluetooth protocol stack which is constructed so as to make the voice telephone call easy and the voice telephone call can be made conveniently. Resources can be recycled by using a vocoder of wireless mobile communication terminal when the voice telephone call is embodied. The method includes a step of trying to set a call, a step of connecting an asynchronous connection-less (ACL), a step of connecting a synchronous connection-oriented (SCO) when the ACL is connected, and a step of performing the voice telephone call when the SCO is connected.

REFERENCES:
patent: 6697638 (2004-02-01), Larsson et al.
patent: 6751200 (2004-06-01), Larsson et al.
patent: 2002/0012329 (2002-01-01), Atkinson et al.
patent: 2003/0133423 (2003-07-01), LaDue

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