Telecom Glossary 101

Mini Telecom Glossary to help understand each telco device.

SBC – Access front end node. It deals with access policies and media handling

CSCF – Signalling switching in IMS Core Nw. Does not handle media

HSS – Owner of registration data and triggers

ENUM – translator for E164 to IP

CPE – Access Router in customer’s premise

MGCF – Access Gateway for PLMN (MSS) handling signalling

MGW – Gateway for PLMN handling Media

MRF – IMS IVR for announcements and media bridging

TFTP – Device Configuration Manager

NPS – Network Presence Server

OLO – Other Licensed Operator

SCF -Service Control Function

SIM – Service Interaction Manager

SIP – Session Initiation Protocol

SMPP – Short Message Peer to Peer Protocol

SMSC – Short Message Service Centre

SPA – Service Package Application

SRF – Specialized Resource Function

SSF – Service Switching Function

IMS Glossary