Method for implementing a call-back service in a mobile...

Details Method for implementing a call-back service in a mobile... Method for implementing a call-back service in a mobile...

2005-04-05

2005-04-05

Trost, William (Department: 2683)

Telecommunications

Radiotelephone system

Zoned or cellular telephone system

C455S433000, C455S432100, C455S445000

Reexamination Certificate

active

06876860

ABSTRACT:
A USSD Call Back Service UCB which provides a function via which a telephone call MOC begun in a foreign country is implemented by a call back service which then provides the functions of:Analysis of an incoming USSD string,Analysis of A party and B party,Call set-up to the A party,Call set-up to the B party.

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