The design of i30 SIP Video Door phone is based on experience and knowledge of Fanvil VoIP phone development. Voice transmission uses standard IP / RTP protocol and video transmission adopts RTSP. I30 have a variety of enterprise-level features and it is compatible with lots of major platforms, such as 3CX, Asterisk, Broadsoft, Elastix, etc. The i30 SIP Video door phone is designed for operation in indoor conditions. The robust mechanical construction offers protective coverage rating against dust and water (IP65). The i30 is economical devices with triple function(All in one)- Access control by call, code , indoor switch and RFID card