IP PBX Adaptor The IXW-PBXA is a Grandstream UCM6302 that provides communication with non IX | IXG devices such as local IP Phones or external phone numbers through a VoIP trunk. Features Supports up to 500 registered SIP devices and up to 75 concurrent calls Dual Gigabit network ports with integrated PoE+ Built-in call recording server; recordings accessed via web interface Built-in call detail records for tracking phone usage Supports any SIP video endpoint Supports voice mail Supports call queue for call volume management Specs Power Source: 12V DC, 1.5A (supplied) Video Codecs: H.264, H.263, H.263+,H.265, VP8 Network Interface: 3 self-adaptive Gigabit with integrated PoE+ (IEEE 802.3at) PSTN FXO Ports: 2 Analog FXS Ports: 2 Protocols: TCP/UDP/IP, RTP/RTCP, ICMP, ARP, DNS, DDNS, DHCP, NTP, TFTP, SSH, HTTP/HTTPS, PPPoE, SIP, STUN, SRTP, TLS, LDAP, HDLC, HDLC-ETH, PPP, IPv6, OpenVPN® Encryption: SRTP, TLS, HTTPS, SSH Operating Temp: 32° ~ 113°F (0° ~ 45°C) Dimensions: 7" H x 10-⁵⁄8" W x 1-¹⁄8" D