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In North America, the cellular telephone signalling network uses _______(a) SS7(b) IXC(c) IS-41(d) PSTNThis question was addressed to me during an interview.The query is from Wireless and Fixed Telephone Networks in section Wireless Networking of Wireless/Mobile |
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Answer» RIGHT CHOICE is (a) SS7 The BEST 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. |
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