ONU-634HA Series User’s Guide
18
Customer Support
Please have the following information ready when you contact customer
support.
• 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.
Corporate Headquarters (Worldwide)
• Support E-mail: [email protected]
• Sales E-mail: [email protected]
• Telephone: +886-3-578-3942
• Fax: +886-3-578-2439
• Web: www.zyxel.com, www.europe.zyxel.com
• FTP: ftp.zyxel.com, ftp.europe.zyxel.com
• Regular Mail: ZyXEL Communications Corp., 6 Innovation Road II, Science
Park, Hsinchu 300, Taiwan
Costa Rica
• Support E-mail: [email protected]
• Sales E-mail: [email protected]
• Telephone: +506-2017878
• Fax: +506-2015098
• Web: www.zyxel.co.cr
• FTP: ftp.zyxel.co.cr
• Regular Mail: ZyXEL Costa Rica, Plaza Roble Escazú, Etapa El Patio, Tercer
Piso, San José, Costa Rica
Czech Republic
• E-mail: [email protected]
• Telephone: +420-241-091-350
• Fax: +420-241-091-359
• Web: www.zyxel.cz
• Regular Mail: ZyXEL Communications, Czech s.r.o., Modranská 621, 143 01
Praha 4 - Modrany, Ceská Republika
Denmark
• Support E-mail: [email protected]
• Sales E-mail: [email protected]
• Telephone: +45-39-55-07-00
• Fax: +45-39-55-07-07
• Web: www.zyxel.dk
• Regular Mail: ZyXEL Communications A/S, Columbusvej, 2860 Soeborg,
Denmark