ADTRAN 25 manual Abbreviations and Acronyms

ABBREVIATIONS AND ACRONYMS

ABBREVIATIONS AND ACRONYMS

ADU

AE

ARS ASCII

BPS

CCS

CCSA COS CSU

DCE

DDC

DDD

DID

DGC

DS1

DTAC

DTE DTMF DXS

EIA

ETU

FNPA

FRL

FX

HNPA

IROB

Asynchronous Data Unit Account Executive Automatic Route Selection

American Standard Code for Information Interchange

Bits Per Second

Hundred Call Seconds

Common Control Switching Arrangement

Class of Service

Customer Service Unit

Data Communications Equipment

Data Dial Code

Direct Distance Dialing

Direct Inward Dialing

Direct Group Call

Digital Signal Level 1

Direct Trunk Attendant Console

Data Terminal Equipment

Dual-Tone Multifrequency

Direct Extension Selector

Electronics Industries Association

Emergency Transfer Unit

Foreign Numbering Plan Area

Facility Restriction Level

Foreign Exchange

Home Numbering Plan Area

In Range Out of Building

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