Outgoing call control system, works by principle, call everybody
excluding those who are blacklisted or call nobody apart those who are in the
“White list”. The system additionally allows to analyze the duration of the
conversation, marks the time and date of the call and the one who has called.
NumberGroup provides business quality VoIP services to wholesale operators and SIP Trunk customers worldwide. We have over 1,000,000 UK and Internaiton telephone numbers are are a license UK operator with direct PSTN connectivity.