Telecom Terms

This glossary is restricted to terms used on this website.

Telecom Applications & Services

DoS - Denial of Service

ICTS - Information and Communication Technology and Services

QoS - Quality of Service

TCPMP - Mobile Video Player

VCC - Voice Call Continuity

Telecom Architecture

FMC - Fixed-Mobile Convergence

IMS - IP Multimedia Subsystem

P-CSCF - Proxy Call Session Control Funtion

RADIUS - Remote Access Server

Telecom Network

CGW - Convergence Gateway

DSL - Digital Subscriber Line

DSLAM - DSL Access Multiplexer

IP - Internet Protocol

ISDN - Integrated Services Digital Networks; [B-ISDN] - Broadband ISDN

PDF - Policy Decision Functions

FW - Firewall

IPsec - IP Security

Telecom Marketing

ARPU - Average Revenue Per Customer Unit

Standards

H323 - a multimedia conferencing standard and mainly used in professional video conferencing systems, but also used for pure VoIP
applications.

SIP - Session Initiation Protocol that makes the connection possible. It is designed for easy implementation, good scalability, and flexibility. Almost all logic is stored in end-devices.

MGCP - (Media gateway Control protocol) operates at the backbone of teh network and typically used by network elements like call agents which routes calls between gateways and media gateways.

SCCP - (Skinny Client Control Protocol) is a proprietary protocol used by Cisco systems. It is a signaling protocol for Cisco hard phone clients and Cisco call manager which connects the clients