Voice/fax digitizing rate negotiation for switched connection in

Details Voice/fax digitizing rate negotiation for switched connection in Voice/fax digitizing rate negotiation for switched connection in

1994-03-09

1996-04-23

Kizou, Hassan

Multiplex communications

Wide area network

Packet switching

370 941, 370118, 375377, 375240, H04B 166, H04J 322, H04L 2700

Patent

active

055110746

ABSTRACT:
A calling station sends to a called station a call request package including the address of the called station and the information digitizing rate of the calling station. The packet may also include the address of the calling station. The called station selects the lower of the information digitizing rates of the calling and called stations or the information digitizing rates of both stations if such rates are the same. The called station sends to the calling station a call request response package including the selected information digitizing rate. The call request response packet may include the addresses of the calling and called stations. The calling station selects the lower of the information digitizing rates of the calling and called stations or the information digitizing rates of both stations if both rates are the same. The information digitizing rates of the calling and called stations may be the voice digitizing rates of both stations. When the calling station selects the information digitizing rate, the calling and called stations send and receive information packets at such information digitizing rates.

REFERENCES:
patent: 4756007 (1988-07-01), Quereshi et al.
patent: 4802189 (1989-01-01), Wedler
patent: 5023869 (1991-06-01), Grover et al.
patent: 5182762 (1993-01-01), Shirai et al.
patent: 5243438 (1993-09-01), Anderton et al.

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