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Wireless Mobile Communications
Wireless Fixed Telephone Networks
Q
In North America, the cellular telephone signalling network uses _______
AA. Ss7
BB. Ixc
CC. Is-41
DD. Pstn
Correct Answer:
A. A. Ss7
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.