User manual

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carry any data. Click “Tone Mask” to mask the tone
number you have selected or all the tone numbers.
When you finish, click “Apply Changes.” You’ll see the following message
displayed on Web browser.
Click “Continue” to save the settings made and go back to the Web management
interface; click “Apply” to save the settings made and restart the router so the
settings will take effect after it reboots.
5.2.2.4 DNS
A Domain Name System (DNS) server is like an index of IP addresses and Web
addresses. If you type a Web address into your browser, such as
“www.router.com,” a DNS server will find that name in its index and the matching
IP address. This screen is used to select the way to obtain the IP addresses of
the DNS servers.