Method and devices for dialling services

Details Method and devices for dialling services Method and devices for dialling services

2008-01-29

2008-01-29

Tran, Congvan (Department: 2617)

Telecommunications

Radiotelephone system

Special service

C455S433000, C379S216010, C379S221140

Reexamination Certificate

active

10841023

ABSTRACT:
A method and devices for dialling services in a mobile telecommunication network include a set of stored character strings used for comparison with character strings entered by a subscriber to call a service is modified, if a mobile user equipment switches from or to a visited telecommunication network.

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patent: 6308060 (2001-10-01), Wortham
patent: 6490464 (2002-12-01), Oda
patent: 6600919 (2003-07-01), Kawase
patent: 6823354 (2004-11-01), Kynast et al.

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