Fanvil X3P-BLK Professional Desktop Hosted Phone POE Enabled Industrial Standard Certifications: CE/FCC Physical: 10/100Mbps Ethernet, dual bridged port for PC bypass Compatible with phone systems by Huawei, 3CX, Xorcom, Broadsoft, Matrix, Asterix, ZTE, Epygi, Elastix, OpenVox, Yeastar, NEC Protocols: SIP2.0 over UDP/TCP/TLS, RTP/RTCP/SRTP, STUN, DHCP, PPPoE, 802.1x, L2TP (Basic Unencrypted), OpenVPN, SNTP, FTP/TFTP, HTTP/HTTPS, TR069