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
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)