Introduction; Brief Overview - Draytek Vigor2500V Quick Installation Manual

1. Introduction

1.1 Brief Overview

ADSL Router
VoIP
PSTN life line
ISDN loop through
ISDN backup
The Vigor2500V/Vi router, an Internet access solution for your LAN, which provides you
the shared web surfing and countless value-added features, such as Firewall / Security,
VoIP, multimedia support. These are all in a reliable one-box solution.
What's "PSTN life line" and "ISDN loop through"?
PSTN life line and ISDN loop through is a backup mechanism for voice communication
in the event of Internet access failure, VoIP unreachable or manual configuration. In other
words, the Vigor2500V series provides users three possible lines to implement their voice
communication, i.e. VoIP, PSTN and ISDN (for Vigor2500Vi only). The user can choose
any one of these three selections by manual configuration or automatic detection to dial
out a phone call.
Vigor2500V
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Vigor2500Vi
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