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Acronyms and Abbreviations in Telecommunications - InterConnect ...

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

API Application Programm<strong>in</strong>g Interface<br />

APK Amplitude Phase-Shift Key<strong>in</strong>g<br />

APL Analogue Private L<strong>in</strong>e<br />

APL Average Picture Level<br />

APLT Advanced Private L<strong>in</strong>e Term<strong>in</strong>ation<br />

APNSS Analogue Private Network Signall<strong>in</strong>g System<br />

APON ATM Passive Optical Network<br />

APP Applications Portability Profile<br />

APPC Advanced Program-to-Program Communications<br />

APPN Advanced Peer-to-Peer Network<strong>in</strong>g<br />

APS Automatic Protection Switch<strong>in</strong>g<br />

APT Application Pilot Transfer (Group)<br />

APT Telephony Applications System<br />

AR Alternative Recall<br />

AR Access Rate<br />

AR Alternate Route<br />

ARA Access Registration Po<strong>in</strong>t (UPT)<br />

ARD Automatic R<strong>in</strong>g Down<br />

ARDIS Advanced Radio Data Information Service<br />

ARE Autorité de Régulation (Mauritania)<br />

ARESEP Autoridad Reguladora de los Servicios Públicos (Costa<br />

Rica)<br />

ARIN American Registry for Internet Numbers<br />

ARINC Aeronautical Radio Incorporated (Aviation)<br />

ARM Asynchronous Response Mode (HDLC)<br />

ARP Address Resolution Protocol

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