Seven Du

Seven Du, started working on FreeSWITCH from 2008. He contributed numerous patches to FreeSWITCH core and a lot of modules, and now is a core FreeSWITCH developer. He created the FreeSWITCH Chinese Community from 2009, and hosts a ClueCon like annual developer conference called FreeSWITCH Developers Salon in China. He is the author of <FreeSWITCH the Definitive Guide> (Chinese Edition).