Learning

Official URLs

Community

• Asterisk: https://community.asterisk.org/ 
• FreePBX: https://community.freepbx.org/ 

Github

• Asterisk: https://github.com/asterisk 
• FreePBX: https://github.com/freepbx 

Speech Recognition (Speech to Text)

Vosk-API

• Vosk speech recognition modules for Asterisk
• https://alphacephei.com/vosk/integrations 
• Offline Speech to Text for Desktop Linux

Kamailio

• Handling SIP Flood Attacks Using Kamailio

Secure SIP Server

• APIBAN
  • Apiban Clients
  • Block unwanted SIP traffic efficiently

SIP Monitoring

• sipexer - Modern and flexible SIP cli tool

Auto Provisioning

• OSS End Point Manager - PBX GUI - Documentation (freepbx.org)
• https://www.voip-info.org/forum/threads/oss-epm-for-freepbx-16-ipbx-2027.26880/ 
  

WebRTC

• InnovateAsterisk/Browser-Phone
• [Video] WebRTC Browser Phone with Asterisk & Raspberry Pi

Billing

• MagnusBilling

HA with DRBD

• VitalPBX High Availability