System and method for routing telephone calls involving...

Details System and method for routing telephone calls involving... System and method for routing telephone calls involving...

2005-11-08

2005-11-08

Ngo, Ricky (Department: 2663)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S401000

Reexamination Certificate

active

06963557

ABSTRACT:
A system for routing telephone calls from a calling party instrument to a called party instrument and involving at least one internet protocol network includes: (a) a first internet protocol interface apparatus effecting a first communicative coupling between the calling party instrument and the at least one internet protocol network; (b) a second internet protocol interface apparatus effecting routing telephone calls according to routing criteria to establish a second communicative coupling between the at least one internet protocol network and the called party instrument; and (c) a call routing system apparatus coupled with the second internet protocol interface apparatus and storing information relating to a geographical or geospatial relationship of calling party instruments and called party instruments. The second internet protocol interface apparatus and the call routing system apparatus cooperate to establish the routing criteria.

REFERENCES:
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patent: 6128481 (2000-10-01), Houde et al.
patent: 6678357 (2004-01-01), Stumer et al.
patent: 6690932 (2004-02-01), Barnier et al.
patent: 2004/0057425 (2004-03-01), Brouwer et al.
“NENA Technical Information Document on Network Interfaces for E9-1-1 and Emerging Technologies”. National Emergency Number Association. Sep. 11, 2002. pp. 1 to 13-4.

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