Patent Information
China, the United States, EU (European Union) and other countries are protecting one or more patents of
accompanying products and/or patents being applied by Yealink.
Customer Feedback
We are striving to improve our documentation quality and we appreciate your feedback. Email your
opinions and comments to
DocsFeedback@yealink.com
.
Technical Support
Visit Yealink WIKI (
http://support.yealink.com/
) for the latest firmware, guides, FAQ, Product documents,
and more. For better service, we sincerely recommend you to use Yealink Ticketing system
(
https://ticket.yealink.com
) to submit all your technical issues.