System connection adapter and terminal

Details System connection adapter and terminal System connection adapter and terminal

2006-02-14

2006-02-14

Bui, Bing Q. (Department: 2642)

Telephonic communications

Plural exchange network or interconnection

With interexchange network routing

C379S213010

Reexamination Certificate

active

06999576

ABSTRACT:
Existing switch markings for telephone numbers are mechanically manipulated via the Recent Change channel to provide an appropriate treatment. In case a call to a vacant pooled-in number cannot be completed, a terminating switch, instead of generating a REL message with a Cause Code 26 and tearing down the call, connects the call to an Operations Support System that provides a predetermined announcement to a calling party. Calls directed toward numbers that are ported-out are placed on a Machine Intercept, which results in sending a cause code 26 to an originating switch.

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patent: 6351464 (2002-02-01), Galvin et al.

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