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

17 18 19 20 21 ...

Multiplex Sublayer

Multiplex Sublayer

Multiplexer

Multiplexer

Multiplexing

Multiplexing

MUX

MUX

MWD

Messages Waiting Data

MWI

Messages Waiting Indication

NAM

Number Assignment module

Name Discovery

Name Discovery

Namf

AMF Service-based Interface

NAS - UMTS

Non Access Stratum (UMTS)

NAS EMM

NAS EPS Mobility Management

NAS ESM

Non Access Stratum EPS Session Management

NFM

Network Friendly Mode

NM

Network Management

NMC

Network Management Centre

NMSI

National Mobile Station Identity

NMT

Nordic Mobile Telephony

Nsmf

SMF Service-based Interface

NSMS

Network Slice Management Service - Provider

Nudm

UDM Service-based Interface

Null Modem

Null Modem

Nyquist Theorem

Nyquist Theorem

O&M

Operations & Maintenance

O-BCSM

Originating - Basic Call State Model

17 18 19 20 21 ...