Patent Number: 6,490,344

Title: Communication system and communication channel coupling method

Abstract: In a communication system, a call setup request is sent from a control unit to a first connection unit and a second connection unit to record the communication channel information of the opposite parties. And, the recorded communication channel information of the second connection unit is sent from the control unit to the first connection unit, and the communication channel information of the first connection unit is sent to the second connection unit. As a result, the first connection unit and the second connection unit are allowed to hold information communication by using their mutual communication channel information.

Inventors: Murai; Toshio (Ichikawa, JP), Sato; Shuichi (Sagamihara, JP), Yanagi; Sen (Urawa, JP)

Assignee: Kabushiki Kaisha Toshiba

International Classification: H04M 3/00 (20060101); H04L 12/66 (20060101); H04M 11/00 (20060101); H04M 011/00 ()

Expiration Date: 12/03/2011