... IP phone, register to E-PBX to act to as SIP extensionFunctions & Features Extension: Call management: Create and management of extension ... ~240V, output 12V 2A Port: 8FXO, 1RJ45 (10/100M) Protocol: SIP (based on Asterisk) Storage Temperature: -10 to 65oCHumidity: 10% to ... Spanish Portuguese IP PBX,PABX-8FXO,Based on Asterisk,Support voip sip IP PBX,PABX-8FXO,Based on Asterisk,Support ...