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What is VPN?
Some employers use a VPN, or
Virtual Private Network, to give
their employees secure access
to their corporate network over
a home Internet connection.
Employees usually have special
VPN client software on their
computers and use special se-
cure means to log onto the VPN.
What is WAN?
WAN stands for Wide Area
Network. The WAN port on your
TA is the port that plugs into your
cable/DSL modem.
What is a private IP address?
A private IP address is an
address that refl ects certain
numeric addresses set by
the Internet industry. Some
cable/DSL service providers
may assign Private IP addresses
from their network for your
cable/DSL service. Also,
home routers and the TA
assigns Private IP addresses to
computers, laptops and other
devices on your home network.
The following are the reserved
IP address blocks:
10.x.x.x
192.168.x.x
For additional information and support,
please check our online FAQ by visiting your
AT&T CallVantage
®
Service Home Page at
www.callvantage.att.com and clicking “Help.”
You may also e-mail technical support
queries via our online e-mail form by visiting
your AT&T CallVantage Service Home Page at
www.callvantage.att.com, and clicking “Help”
and then “E-mail an Agent.”
If you require over-the-phone support, you
may call us at 1-866-596-8464.
For the latest updates and information,
please visit www.callvantage.att.com
and click “Help”.
TECHNICAL SUPPORT
172.16.0.0 through 172.31.255.255