• Protocols/Standards: SIP RFC3261, TCP/IP/UDP, RTP/RTCP, RTCP-XR, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, LLDP-MED, SIMPLE, LDAP, TR-069, 802.1x, TLS, SRTP, IPv6, OpenVPN®
• Voice Codecs and Capabilities: G.711µ/a, G.722 (wide-band), G.726-32, iLBC, Opus, G.723, G.729A/B, in-band and out-ofband DTMF
• Telephony Features: SIP Paging, Multicast Paging, Group Paging, Push-to-Talk (PTT), call-waiting with priority override
• QoS: Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS
• Security: User and administrator level passwords, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control, secure boot
• Upgrade/Provisioning: Firmware upgrade via TFTP, HTTP, HTTPS, or local HTTP upload, mass provisioning using GDMS, TR069, or AES encrypted XML configuration file
• Network Interfaces: 1x 10/100 Mbps port with integrated PoE/PoE+/PoE++ input 1x 10/100 Mbps port with integrated PoE/PoE+ output
• Auxiliary Port: 2x 2-pin Switch-in input ports, 1x 2-pin Switch-out output port, 1x differential line in port, 1x differential line out port, 2x network ports, 1x DC24V-48V port, reset
• Speaker: 50W high-fidelity speaker Frequency: 270Hz-13.2KHz Sensitivity: Up to 109 dBA at 1m/1W(1 kHz)
• Max SPL: Up to 126dBA
• Microphone: 3 Built-in microphones with 26.25 feet (8m) pickup distance
• Power & Green Energy Efficiency: PoE++ Input, complies with IEEE 802.3bt standard, Class 8, Max power 71 Watt, Max Input voltage 57V; PoE+ Output, complies with IEEE 802.3at standard, Class 4, Max power 25 Watt, DC IN 24V/4A - 48V/2A