Gavin Henry is a 41-year-old father and husband who has run his own IT business focused on open source projects, consulting, and SaaS since 2005. His current services include hosted VoIP, SIP trunks, SIP DDIs, OSS PBX support, internet broadband/ethernet, and hardware provisioning. The network uses Flutter for natively compiled mobile, web and desktop apps, Firebase for push notifications, and integrates SureVoIP API, portal, CGRateS, OpenLDAP, QR codes and JWT. SureVoIP Talk is a Flutter app using WebRTC for SIP signaling and the open source Dart SIP library for porting jsSIP to Dart. Contributions to the