central switchingの例文

例文

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1. Larger enablers sit at the central switching office of the phone-service provider.
2. To get DSL, a user must be within three miles of Pac Bell's central switching office.
3. In exchange, BellSouth would guarantee a high level of service over dedicated circuits between central switching offices.
4. The company's office at 140 West St . was a central switching office for local telephone traffic.
5. Their house was too far from Verizon's central switching office to get a faster digital subscriber line.