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

13 14 15 16 17 ...

M-TMSI

M Temporary Mobile Subscriber Identity

Manchester Encoding

Manchester Encoding

Master Clock

Master Clock

Master Device

Master Device

MCData

Mission Critical Data

MCPTT

Mission Critical Push To Talk

MCPTT Service

Mission Critical Push To Talk Service

Megastream

Megastream

Message Switching

Message Switching

MILNET

Military Network

MIoT

Massive Internet of Things

MIoT

Mobile Internet of Things

MitM

Man in the Middle

MMTel

Multimedia Telephony

Mobile TV

Mobile TV

MPLS-TP

Multi Protocol Label Switching - Transport Profile

MT

Mobile Terminated

MT-SMS-CSI

Mobile Terminated-SMS-CSI

MTC

Machine Type Communication

MTC-AAA

Machine Type Communications - Authentication, Authorization and Accounting.

MTC-IWF

Machine Type Communications - Interworking Function

MTP

Message Transfer Part

MTP1

Message Transfer Part Level 1

MTP2

Message Transfer Part Level 2

13 14 15 16 17 ...