... , output 12V 2A Port: 8FXO, 1RJ45 (10/100M) Protocol: SIP (based on Asterisk) Storage Temperature: -10 to 65oCHumidity: 10% to 90 ... French German Italian Russian Spanish Portuguese IP PBX,PABX-8FXO,Based on Asterisk,Support voip sip IP PBX,PABX-8FXO ...