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In North America, the cellular telephone signalling network uses _______

A. Ss7

B. Ixc
C. Is-41
D. Pstn

Explanation: In North America, the cellular telephone signalling network uses No. 7 Signalling System (SS7), and each MSC uses the IS-41 protocol to communicate with other MSCs on the continent.

In North America, the cellular telephone signalling network uses _______ | Ss7 | CSS, PMS, PPSC, FPSC, KPPSC, SPSC, ISSB and NTS Past Papers | Pakistan's Largest Online Past Papers Database

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