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.
Code-A is Telecode Communications Inc. billing for collecting CDRs and Softswitch management via TXT files, SNMP and DBMS. Code-A has its own framework designed to calculate every call and not to miss any.