# Tutorials

- [REST API Examples](/pbx_v12/tutorials/call-control-api.md)
- [Trace server - A Better Way to Debug PortSIP UC](/pbx_v12/tutorials/debug-sip-message.md)
- [Setup SSL Certificates for HTTPS/WebRTC](/pbx_v12/tutorials/setup-ssl-certificates.md)
- [Going Real-Time with PortSIP PBX Pub/Sub](/pbx_v12/tutorials/going-real-time-with-portsip-pbx-pub-sub.md)
- [Upgrade PortSIP PBX for offline](/pbx_v12/tutorials/upgrade-portsip-pbx-for-offline.md)
- [PortSIP UC Architecture](/pbx_v12/tutorials/portsip-pbx-architecture.md)
- [PortSIP PBX Features](/pbx_v12/tutorials/portsip-pbx-features.md)
- [PortSIP Security Feature](/pbx_v12/tutorials/portsip-security-feature.md)
- [Hardware Specifications](/pbx_v12/tutorials/hardware-specifications-for-portsip.md)
- [Setup PortSIP PBX for Linux](/pbx_v12/tutorials/setup-portsip-pbx-linux.md)
- [Upgrade PortSIP PBX](/pbx_v12/tutorials/upgrade-portsip-pbx.md)
- [Upgrade PortSIP PBX v12.x to the v12.8.7](/pbx_v12/tutorials/upgrade-portsip-pbx-v12.x-to-the-v12.8.7.md)
- [Add Extended Media Server](/pbx_v12/tutorials/add-extended-media-server.md)
- [Store the recording files to AWS S3](/pbx_v12/tutorials/store-the-recording-files-to-aws-s3.md)
- [Configure Notifications for Kubernetes](/pbx_v12/tutorials/configure-notifications-for-kubernetes.md)
- [Rebranding PortSIP PBX](/pbx_v12/tutorials/rebranding-portsip-pbx.md)