Methods, systems, and computer program products for...

Details Methods, systems, and computer program products for... Methods, systems, and computer program products for...

2005-11-04

2010-11-30

Patel, Hemant (Department: 2614)

Multiplex communications

Pathfinding or routing

Combined circuit switching and packet switching

C370S352000, C370S353000, C370S355000, C370S389000, C370S390000, C379S037000, C379S045000, C379S050000, C379S201060, C455S404200, C455S432100, C455S435100, C455S456200, C455S456300, C709S203000, C709S221000, C709S222000

Reexamination Certificate

active

07843903

ABSTRACT:
Methods, systems, and computer program products for E911 registration assistance for subscribers using portable Internet Protocol (IP) communications devices are disclosed. According to one method, an IP address of a portable IP communications device is stored. A message is received that indicates an IP address of the portable IP communications device. Next, it is determined whether a difference between the stored IP address and the received IP address indicated by the registration message indicates a change in geographic location of the portable IP communications device. In response to determining that the difference between the stored IP address and the IP address indicated by the received message indicates a change in geographic location of the portable IP communications device, a subscriber is prompted to update stored geographic location information for providing E911 service to the subscriber.

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