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SYN

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Telecommunications

Acronym for synchronous idle character.

ATIS — ATIS Telecom Glossary 2007

Related Telecommunications terms

automatic call distributor (ACD)
available line
C-Message Noise
Hunting
idle-channel noise
idle character
idle-line termination
idle state
idle time
look-ahead-for-busy (LFB) information
synchronous idle character (SYN)

Nearby Telecommunications terms

0-9A B C D E F G H I J K L M N O P Q R S T U V W X Y Z

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Definitions are reproduced with attribution to their original sources; each entry links to the source and shows when it was retrieved. About · FAQ · Data build 2026-10-15.