P-2602HWUDL-D Quick Start Guide
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V If you can access the Internet, but you cannot make calls through the
Internet, follow these steps.
1 Check the PHONE lights. If neither of them is on, Make sure that your telephone is
connected to the corresponding PHONE port.
2 Make sure the VOICE OVER INTERNET SETUP wizard screens are properly
configured (see Section 4.3).
3 You can also check the VoIP status in the Status screen. See the User’s Guide for
more information about this screen.
Viewing Your Product’s Certifications
1 Go to www.zyxel.com.
2 Select your product from the drop-down list box on the ZyXEL home page to go to that
product's page.
3 Select the certification you wish to view from this page.
