Yealink Network Technology Co.,Ltd. 

  Contact Us  : 
      Addr : 4th-5th Floor, South Building, No.63 Wanghai Road,
                2nd Software Park, Xiamen, China.
      Tel  : 86-592-570-2000
      Fax : 86-592-570-2455 
      Zip : 361006
 
  E-mail:
      Sales
      sales@yealink.com  
      Tech.
      support@yealink.com