Dear valued partner,Greetings from Cognitell Private LimitedWe are offering CHINA CC CLI with dual dtmf,It has excellent call back around 7-8%We need stable traffic for that particular destination.Our team will support you 24/7If you have stable traffic please feel free to contact us through email or Skype any time.We are waiting for your Prompt reply...!Thanks and RegardsCathy WongCognitell Email:cogsales8@cognitell.netSkype:live:cogsales8_1