Table of Contents:

Definition and Overview

1. Benefits of SS7

2. Current Network Issues

3. Switched WAN

4. WAN Access Issues for Service Providers

5. Getting CLECs and ISPs onto SS7–Based WANs

Self-Test

Glossary

PDF of this tutorial

ADSL
asymmetrical digital subscriber line

AIN
advanced intelligent network

CLEC
competitive local exchange carrier

DSX
digital cross connect

ILEC
incumbent local exchange carrier

IOF
interoffice facility

ISDN
integrated services digital network

ISP
Internet service provider

IXC
interexchange carrier

LATA
local access and transport area

LEC
local exchange carrier

LIDB
line information data base

PRI
primary rate interface

PSTN
public switched telephone network

SS7
signaling system seven

WAN
wide-area network