Matches 201 - 203 out of 203 < 1 2 3 4 5


Match Document Document Title
5153919 Service provision authentication protocol  
A protocol for authenticating a cellular telephone to a service provider for the purpose of preventing the piracy of cellular services. A service provider assigns a unique "secret", along with...
5077790 Secure over-the-air registration of cordless telephones  
A method for registration of a portable unit that may be utilized in a communication system that comprises a network controller, having a data base for storing portable identification numbers, a...
4811377 Secure transfer of radio specific data  
The apparatus and method for transferring radio specific data from the memory of an integral logic unit of a radiotelephone to a second, replacement, memory is disclosed. Security of the data is...
Matches 201 - 203 out of 203 < 1 2 3 4 5