Explore our library of thousands of telecoms terms and acronyms defined for on-the-job reference or learning new material.
Loading search results...
Hash Message Authentication Code
Hold Mode
Host Name Resolution
Home Public Land Mobile Network
Hypertext Markup Language
Hyperframe
i-mode
Initial Address Message
Identity and Access Management
Internet Control Message Protocol
Idle mode or Idle State
IEEE 802.16 Broadband Wireless Metropolitan Area Networks
IP Flow Mobility
Internet Group Management Protocol
Integrated Local Management Interface
Instant Messaging
IP Multimedia Core Network
IMS Access Gateway
IM - CAMEL Subscription Information
IMS - Media Gateway
IP Multimedia - Service Switching Function
Inverse Multiplexing over ATM
Internet Message Access Protocol
Internet Message Access Protocol 4
From 2–5 March 2026, meet the Mpirical team and explore industry-led telecoms training. Find us in Hall 4, Stand CS300