Yealink T31G Gigabit IP Phone 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.729AB, 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 Directory Local phonebook up to 1000 entries Black list XML/LDAP remote phonebook Smart dialing Phonebook search/import/export Call history: dialed/received/missed/forwarded IP-PBX Features Busy Lamp Field (BLF), Bridged Line Apperance(BLA) Anonymous call, anonymous call rejection Hot-desking, voice mail Flexible seating Call park, call pickup Executive and Assistant Centralised call recording Visual voice mail Call recording Display and Indicator 2.3” 132×64-pixel graphical LCD with backlight LED for call and message waiting indication Dual-colour (red or green) illuminated LEDs forline status information Intuitive user interface with icons and soft keys Multilingual user interface Caller ID with name and number Power saving Feature keys 2 line keys with LED 6 features keys: transfer, message, headset, redial, mute, hands-free speakerphone 5 navigation keys Volume control keys Interface Dual-port Gigabit Ethernet Power over Ethernet (IEEE 802.3af), class 2 1 x RJ9 (4P4C) handset port 1 x RJ9 (4P4C) headset port Other Physical Features Colour: Classic Grey Wall mountable External Yealink AC adapter AC 100~240V input and DC 5V/600mA output Power consumption (PSU): 2-3W Power consumption (PoE): 3-4W Dimension (W*D*H*T): 188mm*189mm*162mm*50mm Operating humidity: 10~95% Operating temperature: -10~50°C ( 14~122°F) Management Configuration: browser/phone/auto-provision Auto provision via FTP/TFTP/HTTP/HTTPS for mass deploy Auto-provision with PnP Zero-sp-touch, TR-069 Phone lock for personal privacy protection Reset to factory, reboot Package tracing export, system log 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 webserver Time and date synchronization using SNTP UDP/TCP/DNS-SRV (RFC 3263) QoS: 802.1p/Q tagging (VLAN), Layer 3 ToSDSCP SRTP for voice Transport Layer Security (TLS) HTTPS certificate manager AES encryption for the 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 # Check IP Phone Models # Check PABX Products
