Control method for station-to-station slave transmission

Details Control method for station-to-station slave transmission Control method for station-to-station slave transmission

1997-11-18

1998-07-28

Lim, Krisna

Telephonic communications

Special services

Anonymous party

379211, 379259, G06F 1300

Patent

active

057872570

ABSTRACT:
With regard to a method of controlling station-to-station transmission in a network formed by exchanges which support ISDN, and particularly for the purpose of implementing, during communication between stations via one medium, slave transmission with respect to the same party using a different medium, without consideration of the number of the party, when an exchange which receives a request for slave transmission from a terminal in communication via one medium with an already-communicating terminal of another station detects this request, a slave transmission identifier and the call reference used to connect to the already-communicating terminal are detected, the slave transmission identifier and call reference are set into the information elements to be added to a call setting message, a different channel in the same interface which is used to connect to the already-communicating terminal is captured, this being used to transmit to the other station. This other station detects, by means of the information elements added to the received call setting message, that this is a slave transmission, receiving being done at the other party terminal via a medium of a type specified based on call reference.

REFERENCES:
patent: 5555017 (1996-09-01), Landante et al.
patent: 5610918 (1997-03-01), Kamo et al.
patent: 5621731 (1997-04-01), Dale et al.

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