1.
Flexible control of customer permissions for making calls (prefixes, numbers)
2.
Convenient web-based administrator interface
3.
Ability to create call skipping rules (agency and partner portals)
4.
Using external APIs for integrations (custom SOAP, XML/JSON/REST)
5.
Integration with customer systems to control call source (Trunk Topology)
6.
Account verification and corporate pricing via RADIUS and Diameter
7.
Possibility of control and blocking of fraud and spam calls