VoIP Traffic Administrator 

VTA is a system that enables VoIP Telephony operator to see a current state of calls, both - successful and failed. Information about traffic is generated in off-line mode. That means balance is calculated after a call termination.
free billing program incoming/outgoing tariffs billing system voip access tariff plans customer reports global reports calls statistics balance limits vip customers report generation access levels call graphic partners-providers

Internet Tools 2.1 

Useful tools for Internet work. DialUp Monitor - tracing for DilaUp connections. Dialer - convenient for work.
internet tools online timer tariff dialer