Multiplex communications – Wide area network – Packet switching
Patent
1989-08-01
1990-12-04
Olms, Douglas W.
Multiplex communications
Wide area network
Packet switching
3701101, H04J 312
Patent
active
049759000
ABSTRACT:
An ISDN response system comprises a plurality of terminals, each of which contains a SETUP message to an incoming all. Each terminal has the same subscriber number with the same attribute values and responds to a first SETUP message received by it which has the aforementioned subscriber number and attribute values to transmit a CONN message to the termination so that communication is established between the network and the particular terminal, the CONN message of which is first received at the termination. The timing of the transmission of the CONN message sent by the particular terminal is delayed when a subsequent SETUP message is received having the same subscriber number and attribute values.
REFERENCES:
patent: 4379946 (1983-04-01), Mizuno et al.
patent: 4672662 (1987-06-01), Nishino et al.
patent: 4722082 (1988-01-01), Furuya et al.
patent: 4873716 (1989-10-01), Brady
"ISDN User-Network Interface Layer 3 Specification", Recommendation I.451, Selected pages of CCITT Publication, vol. III, Fascicle, 111.5, 1985.
Hirata Hideyuki
Murata Hatsuho
Marcelo Melvin
NEC Corporation
Olms Douglas W.
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