Class 4 Softswitch with all Major Routing Rules

ASTPP 4 offers the most advanced class 4 Softswitch. This class 4 Softswitch has all major call routing rules to empower its users:

- Least Cost Routing (LCR)
- Priority-based call routing
- Lossless call routing
- CLI and Non-CLI routing
- Prefix based call routing

ASTPP 4 offers a comprehensive class 4 Softswitch with advanced VoIP billing. To know more about it, please visit https://www.astppbilling.org/