The 8543/i3 platform is the most advanced and resililient routing and service management platform for esinet i3 emergency services. The 8543 supplies the following esinet elements ECRF Emergency Call Routing Function/LVF (Location Validation Function) ESRP Emergency Services Routing Proxy PRF Policy Routing Function MP Media Proxy. Element for bridging call, video and text data and streaming media to logging and recording services