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1.1 Brief Overview
The Vigor2100 series broadband router/Firewall with a VoIP phone port, an
Internet access solution for your LAN, which provides you with the shared web
surfing and countless value-added features, such as Firewall, Security, VoIP,
and 802.11g Wireless LAN (up to 54Mbps for Vigor2100VG and Vigor2100G
only). These are all in a reliable one-box solution.
Model comparison chart:
Vigor 2100V Vigor2100G Vigor2100VG
Broadband
Router
* * *
VoIP * - *
Wireless AP - * *
What does "PSTN life line" perform on Vigor2100V and Vigor2100VG?
The Vigor2100V and Vigor2100VG have a “Line” port on the rear panel for
connecting to a PSTN (regular analogue) line. The Loop Through option can
be used to set an alternate telephone number for your contact on the PSTN,
which the Vigor2100V and Vigor2100VG will dial instead of the SIP account if
you lose ADSL access or power to the Vigor2100V and Vigor2100VG. Hence,
the PSTN line can act as a lifeline (backup mechanism) for VoIP calls. The
lifeline mechanism is activated automatically but can also be manually
configured.