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Acronyms and Abbreviations in Telecommunications - InterConnect ...

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<strong>Acronyms</strong> <strong>and</strong> <strong>Abbreviations</strong> <strong>in</strong> <strong>Telecommunications</strong> 107<br />

PRSL Primary Area Switch Locator<br />

PS Packet Switched<br />

PS Pag<strong>in</strong>g Systems<br />

PS Permanent Signal<br />

PS Power Supply<br />

PSB Public Service Board<br />

PSC Public Service Commission (US)<br />

PSD Power Spectral Density<br />

PSDN Packet Switched Data Network<br />

PSE Packet Switch<strong>in</strong>g Exchange<br />

PSK Phase Shift Key<strong>in</strong>g<br />

PSN Packet-Switched Network<br />

PSN People with Special Needs<br />

PSN Public Switched Network<br />

PSP Personal Software Products<br />

PSPDN Packet Switched Public Data Network<br />

PSQM Perceptual Speech Quality Measurement (ITU-st<strong>and</strong>ard<br />

P.861)<br />

PST Plug-<strong>and</strong>-Socket Term<strong>in</strong>ated<br />

PSTN Public Switched <strong>Telecommunications</strong> Network<br />

PSU Power Supply Unit<br />

PT Payload Type<br />

PTA Pakistan Telecommunication Authority<br />

PTA Post <strong>and</strong> Telecom Adm<strong>in</strong>istration (Icel<strong>and</strong>)<br />

PTD Post <strong>and</strong> Telegraph Department (Thail<strong>and</strong>)<br />

PTF Patch And Test Facility

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