10/100/1000 Base-TX across LAN and PC ports; Conforms to IEEE802.3- 2005 (Clause 40) for physical media attachment; Conforms to IEEE802.3- 2002 (Clause 28) for link partner auto-negotiation; Manual or dynamic host configuration protocol (DHCP) network setup
Security
802.1X Authentication and EAPOL Media encryption via SRTP; Digest authentication; Encrypted configuration files; HTTPS secure provisioning; Password login; Support for signed software executables; Support for URL syntax with password; Transport Layer Security (TLS); SRTP media encryption using AES 256 bits
Built-in auto sensing IEEE 802.3af Power over Ethernet (Class 2); 4.5 W (maximum)
Specifications
Audio: Poly HD Voice; Poly Acoustic Clarity technology provides full duplex conversations, acoustic echo cancellation, and background noise suppression; Poly Acoustic Fence technology eliminates background noise when using a handset or wired headset; Poly Computer Audio Connector app installed on your PC (Windows only) enables selecting your phone for PC audio in/out to use the phones handset, optional headset and handsfree speakerphone with PC applications; Individual volume settings with visual feedback for each audio path; Voice activity detection; Comfort noise generation; DTMF tone generation (RFC 2833 and in-band); Low delay audio packet transmission; Adaptive jitter buffers
Audio codecs: G.711 (A-law and µ-law); G.722; G.729AB; iLBC; OPUS
Headset and handset compatibility: Compatible with commercially available TTY adapter equipment; Compliant with ADA Section 508 Subpart B 1194.23 (all); Hearing aid compatibility to ITU-TP.370 and TIA 504A standards; Hearing aid compatible (HAC) handset for magnetic coupling to hearing aids
Headset ports: 1 RJ-9; 1 Electronic Hook Switch (EHS) port for optional adapter