Line card that provides remote line activation and soft dialtone

Details Line card that provides remote line activation and soft dialtone Line card that provides remote line activation and soft dialtone

1995-03-30

1997-10-07

Zele, Krista M.

Telephonic communications

Subscriber line or transmission line interface

379243, 379336, 379350, 379384, H04M 322

Patent

active

056756437

ABSTRACT:
A line card apparatus which provides soft dialtone and automated remote cross-connect capability, comprising one or more line interfaces and a switching matrix which can connect a plurality of lines to the one or more line interfaces. This switching matrix is governed by a controller which can connect each of the plurality of lines to one of the line interface units, and thus, no manual intervention is required. Also, the control unit periodically scans the lines connected to it. If the control determines that there is an offhook condition on any of the lines (whether or not that line is activated), the control notifies the host switch to provide dialtone, which the controller then connects to that line.

REFERENCES:
patent: 4334129 (1982-06-01), De Luca et al.
patent: 4984266 (1991-01-01), Smith
patent: 5323460 (1994-06-01), Warner et al.
patent: 5373501 (1994-12-01), Roland
patent: 5386454 (1995-01-01), Childs-Goodrich et al.
"Potential Future Applications of Direct, Automated Service Activation", M. Ahrens, Journal of Network and Systems Management, vol. 1, No. 1, pp. 57-70 Mar. 1993.
"Networks Without Bounds, Soft Dial Tone Service Activation: A Step Toward Re-Systemization", M. Ahrens, IEEE 1992 Network Operations and Management Symposium Record, IEEE Communications Society, pp. 12.3.1-12.3.10 Dec. 1992.

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