Warranty and repairs

When you ship your telephone to a Aastra Telecom Service Center, you are responsible for shipping charges.

General inquiries

If you’ve read the guide and you have questions, call 1-800-574-1611 in the USA and in Canada.

Cleaning the display

Use only a soft cloth soaked in isopropyl alcohol to clean the display.

Warning: Do NOT use a dry cloth: it might scratch the surface. Do NOT use ketone, acetone, toluene, or xylene: they may damage the coating.

Regulatory information

The Load Number (LN) for your telephone is 8. The Ringer Equivalence number (REN) is 0.7B. Please see the bottom of your telephone or the Regulations sheet for more regulatory and safety information.

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Aastra Telecom 350 manual Warranty and repairs, General inquiries, Cleaning the display, Regulatory information