PRODUCT OVERVIEWWhether you’re an SMB looking for a cost-effective, scalable phone system or a SOHO requiring an advanced unified communications system, OpenVox UC300 Series will be your first choice. The UC300-A11EM1 OpenVox offers a complete set of products designed to meet your communication demand.PRODUCT TYPEVoIPKEY FEATURES IPPBX with 2~5 analog Interfaces; Up to 800 extension register; Up to 300 concurrent calls with G.711 codec; SOHO, Small and Medium Enterprise. Up to 800 extension register 1 FXO 1 FXS 100 concurrent calls with G.729 codec 300 concurrent calls with G.711 codec Recording: 86,000 mins (.gsm); 9,500 mins (.wav) Voicemail: 86,000 mins (.gsm); 9,500 mins (.wav) Network Interface: 1×10/100M LAN port USB Port: 1×USB 2.0 for external storage or disaster recovery system External Storage: 1×SD slot, support up to 128G Telephony Interfaces: FXS/FXO interface, Optional Storage: 16GB Onboard Flash RAM: DDR3 1GB 1 MIC Interface: Audio Input TECHNICAL SPECIFICATIONS Brand: OpenVox Model: UC300-A11E Product Type: Networking Accessories IPPBX with 2~5 analog Interfaces; Up to 800 extension register; Up to 300 concurrent calls with G.711 codec; SOHO, Small and Medium Enterprise. Up to 800 extension register 1 FXO 1 FXS 100 concurrent calls with G.729 codec 300 concurrent calls with G.711 codec Recording: 86,000 mins (.gsm); 9,500 mins (.wav) Voicemail: 86,000 mins (.gsm); 9,500 mins (.wav) Network Interface: 1×10/100M LAN port USB Port: 1×USB 2.0 for external storage or disaster recovery system External Storage: 1×SD slot, support up to 128G Telephony Interfaces: FXS/FXO interface, Optional Storage: 16GB Onboard Flash RAM: DDR3 1GB 1 MIC Interface: Audio Input 1 SPK Interface: Audio Output Power Consumption: 12V/.08A, 9.6W Maximum Failover Function (not support with 2 FXO model) Operational Temperature: 0°C to 50 °C Storage Temperature: -20 °C to 65 °C Size: 130*130*40mm Weight: 530g DHCP Server DHCP Client List Assign IP Address to Host Firewall INTENDED USE / APPLICATIONS Professional networking and communications deployments Commercial, institutional, or industrial installations Use with compatible equipment according to manufacturer specifications