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The Vigor2100 Series router includes Vigor2100G ,Vigor2100V and Vigor2100VG models.
To secure your network, the Vigor2100 series provides an advanced firewall with advanced
features, such as NAT with multi VPN pass-through, Stateful Packet Inspection (SPI) to offer
network reliability by detecting and prohibiting malicious penetrating packets or DoS attacks,
user-configurable web filtering for parental control against network abuse etc.
For G series model, it is embedded with an 802.11g compliant wireless module which
provides wireless LAN access with data rate as much as (up to 54Mbps for Vigor2100G/VG).
For V series model, with VoIP phone ports, it provides an Internet access solution for your
LAN via shared web surfing and countless value-added features, such as Firewall, Security
and VoIP. These are all in a reliable one-box solution. The V series model has 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 series will dial instead of the SIP account if you lose ADSL access or power to
the Vigor2100V series. 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.
Vigor2100 Series User's Guide
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