Cellular fraud prevention using selective roaming

Details Cellular fraud prevention using selective roaming Cellular fraud prevention using selective roaming

1996-11-27

2000-05-02

Wolfe, Willis R.

Telecommunications

Radiotelephone system

Security or fraud prevention

455433, 380 23, H04Q 738

Patent

active

060583010

ABSTRACT:
A method of preventing roaming fraud in cellular telephone systems using different levels of roaming privileges for individual subscribers. When the subscriber initiates a call in a foreign service area that exceeds their roaming privileges, an authentication method is used to verify the identity of the roaming subscriber.

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