The service for determining from which number a client has called. This helps to decide how to answer on the incoming call. A telephone company sends DNIS number to the telephone client’s system during establishing connection. As a rule, DNIS number consists from 4 to 10 digits.
our company name AKCALL (pvt) ltd.we provide bd cli stm,iplc,igw and a2z termination good rate and good voice quilty.we btcl huge port if any body need plz contect