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Vantage CNM User’s Guide
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APPENDIX J
Customer Support
In the event of problems that cannot be solved by using this manual, you should contact your
vendor. If you cannot contact your vendor, then contact a ZyXEL office for the region in
which you bought the device. Regional offices are listed below (see also http://
www.zyxel.com/web/contact_us.php). Please have the following information ready when you
contact an office.
Required Information
• Product model and serial number.
• Warranty Information.
• Date that you received your device.
• Brief description of the problem and the steps you took to solve it.
“+” is the (prefix) number you dial to make an international telephone call.
Corporate Headquarters (Worldwide)
• Support E-mail: support@zyxel.com.tw
• Sales E-mail: sales@zyxel.com.tw
• Telephone: +886-3-578-3942
• Fax: +886-3-578-2439
• Web: www.zyxel.com
• Regular Mail: ZyXEL Communications Corp., 6 Innovation Road II, Science Park,
Hsinchu 300, Taiwan
China - ZyXEL Communications (Beijing) Corp.
• Support E-mail: cso.zycn@zyxel.cn
• Sales E-mail: sales@zyxel.cn
• Telephone: +86-010-82800646
• Fax: +86-010-82800587
• Address: 902, Unit B, Horizon Building, No.6, Zhichun Str, Haidian District, Beijing
• Web: http://www.zyxel.cn
China - ZyXEL Communications (Shanghai) Corp.
• Support E-mail: cso.zycn@zyxel.cn
• Sales E-mail: sales@zyxel.cn
• Telephone: +86-021-61199055
• Fax: +86-021-52069033