Method and system for preserving telephone numbers

Details Method and system for preserving telephone numbers Method and system for preserving telephone numbers

2006-05-16

2006-05-16

Tieu, Binh K. (Department: 2643)

Telephonic communications

With usage measurement

C379S112080, C379S114280, C379S121030, C379S201020

Reexamination Certificate

active

07046775

ABSTRACT:
The present invention allows a global telephone number be assigned to a first outbound-only telephone line connected to a first service switching point (SSP) to be also assigned to a second outbound-only telephone line connected to a second service switching point. The global telephone number can be used as many times as there are service switching points within a single area code region. In a preferred embodiment, in which an outbound-only telephone line subscriber also has a regular telephone line, all calls originated from the subscriber's outbound-only telephone line can be billed against the account of the subscriber's regular telephone line. The invention also allows multiple outbound-only telephone lines be billed against the account of a single regular telephone line. In addition, the invention also allows a subscriber of a regular telephone line that is used substantially or exclusively for outbound-only purposes to convert the regular telephone line into an outbound-only telephone line, thereby allowing the telephone number to reuse the global telephone number for an converted outbound-only telephone line.

REFERENCES:
patent: 5666405 (1997-09-01), Weber
patent: 5701301 (1997-12-01), Weisser, Jr.
patent: 5771282 (1998-06-01), Friedes
patent: 6122357 (2000-09-01), Farris et al.
patent: 6167043 (2000-12-01), Frantz
patent: 6282274 (2001-08-01), Jain et al.

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