W 8 0DM  /W 8 0B -4 L
About Yealink
Yealink is a global leading provider of enterprise communication and collaboration solu-
tions, offering video conferencing service to worldwide enterprises. Focusing on research 
and development, Yealink also insists on innovation and creation. With the outstanding 
technical patents of cloud computing, audio, video and image processing technology, Yea-
link has built up a panoramic collaboration solution of audio and video conferencing by 
merging its cloud services with a series of endpoints products. As one of the best providers 
in more than 140 countries and regions including the US, the UK and Australia, Yealink ranks 
No.1 in the global market share of SIP phones shipments.
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.
YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD.
Web: www.yealink.com
Addr: 309, 3rd Floor, No.16, Yun Ding North Road, Huli 
          District, Xiamen City, Fujian, P.R.C
Copyright©2020 YEALINK(XIAMEN) NETWORK 
TECHNOLOGY CO.,LTD.All rights reserved.