Dear valued partner,Greetings from Cognitell Private LimitedWe are looking for CHINA CC CLI with dual dtmf and we should need excellent call back.If your route pass our test then we will do prepayment.If you have good quality route please feel free to contact us through email or Skype any time.We are waiting for your prompt reply...!!Thanks and Regards Cathy WongEmail:cogsales8@cognitell.netSkype:live:cogsales8_1