Sovereign is asterisk-based VoIP stack for Retail and Calling Cards services

It was created for HaloHalo telecom services at first and then developed separately. It has integrated payment gateway, agent support, multiple currencies support and more.

As an option, it can be integrated with FreePBX and provide PBX services.

Main features:

• Administration panel

  • Customers management
  • Advanced tariff management
  • Detailed CDR with export and alert features
  • Payments and vouchers management
  • Asterisk settings GUI
  • Custom scripts support
  • DID numbers management and sales
  • many more
• Customer panel
  • Payment gateway
  • CDR
  • "Buy DID" feature
  • Rate browser
  • Voicemail settings (on demand)