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

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GPS

Global Positioning System

GPSI

Generic Public Subscription Identifier

Gr Interface

GRE

Generic Routing Encapsulation

Group Call

MCPTT Group Call

GRUU

Globally Routable User agent URI

GRX

GPRS Roaming eXchange

Gs Interface

GSM

Global System for Mobile communication

GSM Phase 2+ Service

GSM R

Global System for Mobile communications Railway

GSM1800

GSM1900

GSM900

gsmSCF

GSM Service Control Function

gsmSRF

GSM Specialized Resource Function

gsmSSF

GSM Service Switching Function

GSN

GPRS Support Node

GT

Global Title

GTP

GPRS Tunnelling Protocol

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GPS