Failsafe configuration for alternative network telephony

Details Failsafe configuration for alternative network telephony Failsafe configuration for alternative network telephony

2007-04-17

2007-04-17

Bui, Bing Q. (Department: 2614)

Telephonic communications

Plural exchange network or interconnection

With interexchange network routing

C379S272000, C379S273000

Reexamination Certificate

active

11230850

ABSTRACT:
A failsafe configuration for alternative network telephony is disclosed. An indication as to whether an alternative network telephony call processing system is available to process calls from an associated piece of telephone equipment is received automatically and transparently to a user of the telephone equipment. Calls placed from the telephone equipment at a time when the alternative network telephony call processing system is available to process calls are processed via alternative network telephony. Calls placed from the telephone equipment at a time when the alternative network telephony call processing system is not available to process calls are processed via the public switched telephone network (PSTN).

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