Siera iSMS 5. 0 is a P2P way to view Siera´s IPC and HVR, Plug and Play from all over the world. With our APP you can view your devices without the boring job of setting port forwarding and the IP address. Basic function duction: 1. Stream Videos over WIFI or 4G. 2. View up to 16 live video streams. 3. Device management. 4. Snapshot and browse picture.