Cutover method and device for telephone lines

Details Cutover method and device for telephone lines Cutover method and device for telephone lines

2007-04-24

2007-04-24

Tieu, Benny Quoc (Department: 2614)

Telephonic communications

Plural exchange network or interconnection

With interexchange network routing

C379S027020

Reexamination Certificate

active

10688775

ABSTRACT:
A method for implementing a cutover of a subscriber telephone line from a telephone line of a first exchange to a telephone line of a second exchange, includes the following steps: providing a controllable switch that is operative, in response to a control signal, to couple the subscriber telephone line to either the telephone line of the first exchange or the telephone line of the second exchange; providing a controller, coupled with at least one of the telephone line of the first exchange and the telephone line of the second exchange, for producing the control signal, coupled to the switch, upon receiving a predetermined signal over said at least one of the telephone line of the first exchange and the telephone line of the second exchange; initially setting the switch to couple the subscriber telephone line to the telephone line of the first exchange; and sending the predetermined signal over at least one of the telephone line of the first exchange and the telephone line of the second exchange, whereby the controller, upon receipt of the predetermined signal, produces the control signal to cause the switch to couple the subscriber telephone line to the telephone line of the second exchange.

REFERENCES:
patent: 6301351 (2001-10-01), King
patent: 6661888 (2003-12-01), Bell et al.
patent: 6983037 (2006-01-01), Argo
patent: 2003/0142811 (2003-07-01), Teixeira

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