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Unorthodox Digital

Glossary of Tech & Telecom Terms

This glossary clearly defines key tech and telecom terms, helping readers understand industry jargon and improve their knowledge.

A

AAA Server (Authentication, Authorization, and Accounting)
Access Point Name (APN)
Application Deployment
Application Hosting
Asynchronous Transfer Mode (ATM)
Automatic Number Identification (ANI)

B

Basic Rate ISDN (BRI)
Bit Rate

C

Carrier Access Billing System (CABS)
Central Office (CO)
Channel Service Unit/Data Service Unit (CSU-DSU)

D

Data Communication Equipment (DCE)
Data Terminal Equipment (DTE)
Differentiated Services Code Point (DSCP)
Direct Inward Dialing/Direct Outward Dialing (DID/DOD)

E

Exterior Gateway Routing Protocol (EGP)

G

GPRS Tunneling Protocol (GTP)

H

Home Subscriber Server (HSS)

I

Integrated Circuit Card Identifier (ICCID)
Integrated Marketing Communications (IMC)
Instant Messaging (IM)

K

Kilobits per second (Kbps or Kbs)

L

Local Exchange Carrier (LEC)

M

Media Server
Mobile Application Part (MAP)
Mobile Network (MN)
Mobile Originating (MO)
Multimedia Messaging Service (MMS)

N

Network Operators
Next Unit of Computing (NUC)
Non-Access Stratum (NAS)

O

Online Charging System (OCS)
Open Compute Project (OCP)

P

Packet Data Network (PDN)
Packet Data Protocol (PDP)
Packet Switched/Packet Switching (PS)

R

Real-time Transport Protocol (RTP)

S

Service Switching Point (SSP)
Short Message Service (SMS)

T

Telecommunications
Telecommunication Device for the Deaf (TDD)
Telecommunications Service Provider (TSP)
Time Division Duplex (TDD)

U

Unified Messaging System (UMS)

V

Value Added Service (VAS)

X

xDSL

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