PSTN

Definitions

(Abbreviation) Public Service Telephone Network

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(Abbreviation) Public Simple Telephony Network

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(Abbreviation) Public Standard Transmission Network

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(Abbreviation) Public Switch Telephone Network

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(Abbreviation) Public Switched Telecommunications Network

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(Abbreviation) Public Switched Telephone Network

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(Abbreviation) Public Switched Telephony Network

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(Abbreviation) Public Switched Transport Network

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(Abbreviation) Public Switching Telephone Network

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(Abbreviation) Publicly Switched Telephone Networks

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(Abbreviation) Professional Security Television Network

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(Abbreviation) Pubic Service Telephone Network

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(Abbreviation) Public Switched Telecomm Network

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(Abbreviation) Publicly Switched Telephone Network

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(Abbreviation) Professional Security Training Network