Table of Contents:

Definition and Overview

1. Introduction

2. Existing Scheme for Internet Connection

3. SS7 Gateway Solution

4. Internal Architecture and Functional Overview

5. Processes of the SS7 Gateway

6. Summary of Benefits

7. Conclusion

Self-Test

Glossary

PDF of this tutorial

ANSI
American National Standards Institute

CO
central office

ECTF
Enterprise Computer Telephony Forum

ETSI
European Telecommunications Standards Institute

FCC
Federal Communications Commission

ILEC
incumbent local-exchange carriers

IMT
intermachine trunk

IN
intelligent network

IP
Internet protocol

ISDN
integrated services digital network

ISP
Internet service provider

ISUP
integrated services digital network user part

ITU
International Telecommunications Union

LEC
local-exchange carrier

LNP
local-number portability

NAS
network-access server

NEBS
new equipment building system

OCUI
operations character user interface

POTS
plain old telephone service

PRI
primary-rate interface

PSTN
public switched telephone network

RAS
remote access server

SS7
signaling system 7

STP
shielded twisted pair

VoIP
voice over Internet protocol

WAN
wide-area network