The Enhanced Network Trunk Port Model VIP-821 will provide a single 10/100 Ethernet port, a single FXO Trunk port and 1 Failover port. The Enhanced Network Trunk Port Model VIP-821 will provide all circuitry and software to convert network data to audio output and analog trunk control signals. The Enhanced Network Trunk Port Model VIP-821 will provide all circuitry and software to convert input audio and analog trunk events to zone page audio and control information suitable for transmission to other Valcom IP Solutions products. The Enhanced Network Trunk Port Model VIP-821 shall form one part of a serverless Network based communications system.