Skip to content
Join the Live Open Session - Introduction to 5G, 27th October, 13:00 (UK Time). Free for Unlimited Access users | £95.00 for non-members
We’re attending MWC Barcelona 2026
From 2–5 March 2026, meet the Mpirical team and explore industry-led telecoms training. Find us in Hall 4, Stand CS300
Glossary header - telecoms antenna at height over fields

Glossary

Explore our library of thousands of telecoms terms and acronyms defined for on-the-job reference or learning new material.

# A 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

Glossary Results

2 3 4 5 6 ...

Conference Factory

Conference Factory

Confidentiality

Confidentiality

Configuration Change Indicator

Configuration Change Indicator

CP-OFDM

Cyclic Prefix – Orthogonal Frequency Division Multiplexing

CSCF

Call Session Control Function

CSFB

Circuit Switched Fallback

CSMF

Communication Service Management Function

CSPF

Constrained Shortest Path First

CTF

Charging Trigger Function

DCF

Distributed Coordination Function

Default Router

Default Router

DFT

Discrete Fourier Transform

DiffServ

Differentiated Services

DIFS

DCF Interframe Space

Digital Certificate

Digital Certificate

DSF

Data Storage Network Function

DTMF

Dual Tone Multi-Frequency

E-CSCF

Emergency - Call Session Control Function

EARFCN

E-UTRA Absolute Radio Frequency Channel Number

EATF

Emergency Access Transfer Function

EBCF

Event Based Charging Function

ECF

Event Charging Function

EDCAF

Enhanced Distributed Channel Access Function

2 3 4 5 6 ...