US5754952 Патенты
The use of stolen mobile identification number (MEN) and electronic serial number (ESN) information to fraudulently place wireless calls is prevented by having the switches of
Притязаний: 8. Знаков текста: 27 975.
US5754952 Патенты
The use of stolen mobile identification number (MEN) and electronic serial number (ESN) information to fraudulently place wireless calls is prevented by having the switches of
Притязаний: 8. Знаков текста: 27 975.