Telephonic communications – Plural exchange network or interconnection – Interexchange signalling
Patent
1988-04-27
1989-08-01
Brown, Thomas W.
Telephonic communications
Plural exchange network or interconnection
Interexchange signalling
379142, 379240, 379289, H04M 706, H04M 712
Patent
active
048539554
ABSTRACT:
The invention relates to upgrading existing telephone central offices which utilize electromechanical or electronic switching equipment incapable of using the SS7 protocol. In particular, it relates to providing the switching equipment with the capability of controlling the connection, management, and disconnection of telephone circuits using Signaling System Number 7, a national and international standard set of protocols for providing such circuit control and providing and receiving information via the SS7 protocol for enabling enhanced service in the switching equipment.
REFERENCES:
patent: 4247740 (1981-01-01), Anderson et al.
patent: 4499336 (1985-02-01), Krikor et al.
patent: 4636584 (1987-01-01), Binkerd et al.
patent: 4685127 (1987-08-01), Miller et al.
"CCITT Signalling System No. 7 in AXE 10", Jan Du Reitz et al., Ericsson Review (Sweden), No. 2, 1982, pp. 100-105.
"Gazing into the SPC Network Future Reveals Vista of New-Features", T. H. Gordon et al., Telephony, Feb. 21, 1983, pp. 86, 88, 93.
Coley Gerald
Patel Girish
Patel Rajendra
Thorn David W.
Trivedi Ashok
Brown Thomas W.
Meier Harold E.
Network Access Corporation
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