Others
Protocols/Standards: SIP RFC3261, TCP/IP/UDP, RTP/RTCP, HTTP/HTTPS, ARP, ICMP, DNS (A record, SRV, NAPTR), DHCP, PPPoE, SSH, TFTP, NTP, STUN, LLDP-MED, TR-069, 802.1x, TLS, SRTP, IPv6, OpenVPN, Network Interfaces: One 10/100 Mbps port with integrated PoE/PoE+, Wi-Fi: Yes, dual-band 2.4 & 5GHz with 802.11 a/b/g/n, WMM, Auxiliary Port: One 2-pin multi-purpose input port, Reset, Voice Codecs and Capabilities: G.711, G.722 (wide-band), G.726-32, iLBC, Opus, G.729A/B in-band and out-of- band DTMF (In audio, RFC2833, SIP INFO), VAD, CNG, AEC, PLC, AJB, AGC, ANS, Telephony Features: SIP Paging, Multicast Paging, call-waiting with priority override, HD Audio, Yes, HD speakerphone with support for full band audio with 48KHz voice sampling frequency, Speaker and Microphones: 8W high-fidelity HD speaker; 3 directional microphones with beam-forming capability and up to 4.2-meter voice pickup distance, QoS: Layer 2 QoS (802.1Q, 802.1p) and Layer 3 (ToS, DiffServ, MPLS) QoS, Security: User and administrator level passwords, MD5 and MD5-sess based authentication, 256-bit AES encrypted configuration file, TLS, SRTP, HTTPS, 802.1x media access control, Upgrade/Provisioning: Firmware upgrade via TFTP / HTTP / HTTPS or local HTTP upload, mass provisioning using AES encrypted XML configuration file, Power & Green Energy Efficiency: Integrated PoE 802.3af Class 3, PoE+ 802.3at Class 4