Gigabit IP Phone with 2 Lines & HD voice As a very fashionable and friendly entry-level Gigabit IP phone, Yealink SIP-T31G has an extra-large 132×64-pixel graphical LCD with backlight that brings clear visual experience for users. The T31G offers support for two VoIP accounts and includes local 5-way conferencing to maximize productivity. Working with the adjustable multi-angle stand, the T31G IP phone ensures you to work in different situation. Meanwhile, the T31G features built-in Power over Ethernet (PoE) and superb high definition (HD) sound quality. Easy-to-use and powerful features together with reasonable price deliver excellent voice communications solution. Audio Features * HD voice: HD handset, HD speaker * Smart Noise Filtering * Wideband codec: Opus, G.722 * Narrowband codec: G.711(A/µ), G.723.1, G.729, G.729A, G.726, iLBC * DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO * Full-duplex hands-free speakerphone with AEC VAD, CNG, AEC, PLC, AJB, AGC Phone Features * 2 VoIP accounts * Call hold, mute, DND * One-touch speed dial, hotline * Call forward, call waiting, call transfer * Group listening, SMS, emergency call * Redial, call return, auto answer * Local 5-way conferencing * Direct IP call without SIP proxy * Ring tone selection/import/delete * Set date time manually or automatically * Dial plan * XML Browser, action URL/URI * Integrated screenshots * RTCP-XR, VQ-RTCPXR * Enhanced DSS Key Network and Security * SIP v1 (RFC2543), v2 (RFC3261) * Call server redundancy supported * NAT traversal: STUN mode * Proxy mode and peer-to-peer SIP link mode * IP assignment: static/DHCP * HTTP/HTTPS web server * Time and date synchronization using SNTP * UDP/TCP/DNS-SRV (RFC 3263) * QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP * SRTP for voice * Transport Layer Security (TLS) * HTTPS certificate manager * AES encryption for configuration file * Digest authentication * OpenVPN, IEEE802.1X * IPv6 * LLDP/CDP/DHCP VLAN * ICE Package Features * Package content: ** Yealink SIP-T31G IP phone ** Handset with handset cord ** Ethernet Cable (1.5m CAT5E UTP Cable) ** Stand ** Quick Start Guide **Power Adapter (Optional) * Qty/CTN: 10 PCS * N.W/CTN: 9.98 kg * G.W/CTN: 10.836 kg * Giftbox size: 213 mm*210 mm*103 mm * Carton Meas: 535 mm*443 mm*227 mm