Method and system for indirectly establishing a call

Details Method and system for indirectly establishing a call Method and system for indirectly establishing a call

2007-02-06

2007-02-06

Cumming, William D. (Department: 2617)

Telecommunications

Radiotelephone system

C455S404100, C455S433000

Reexamination Certificate

active

10617697

ABSTRACT:
A call is indirectly established by triggering a call register to request a mobile switching center, associated with a mobile station, to establish a call between the mobile station and a second party.

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“NENA Technical Information Document (TID) On PSAP Call Back to All 9-1-1 Callers, Combating Wireles E911 Fraud And Mobile Emergency Service (E911M)”, prepared by National Emergency Number Association (NENA), Mobile Emergency Service (E911M) Joint Working Group of the Wireless Technical Committee and the Network Technical Committee, Published by NENA, Mar. 22, 2005, pp. 1-51.
European Search Report dated Dec. 21, 2004.

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