About YealinkYealink is a global leading provider of enterprise communication and collaboration solu-tions, offering video conferencing service to worldwide enterprises. Focusing on researchand development, Yealink also insists on innovation and creation. With the outstandingtechnical patents of cloud computing, audio, video and image processing technology, Yea-link has built up a panoramic collaboration solution of audio and video conferencing bymerging its cloud services with a series of endpoints products. As one of the best providersin more than 140 countries and regions including the US, the UK and Australia, Yealink ranksNo.1 in the global market share of SIP phones shipments.Technical SupportVisit Yealink WIKI (http://support.yealink.com/) for the latest firmware, guides, FAQ, Productdocuments, 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.comAddr: 309, 3rd Floor, No.16, Yun Ding North Road, HuliDistrict, Xiamen City, Fujian, P.R.CCopyright©2020 YEALINK(XIAMEN) NETWORKTECHNOLOGY CO.,LTD.All rights reserved.