Yealink T31G Gigabit IP Phone (SIP-T31G)

The Yealink T31G features an extra-large 132x64-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 maximise 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.

 -Key Feature-

• Yealink HD Voice
• 2.3” 132x64-pixel graphical LCD with back-light
• Dual-port Gigabit Ethernet
• PoE support
• Opus codec support
• Up to 2 SIP accounts
• Local 5-way conferencing
• Support EHS Wireless Headset
• Unified Firmware
• Support YDMP/YMCS
• Stand with 2 adjustable angles
• Wall mountable

 -Specifications-

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” 132x64-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 web server
• Time and date synchronisation 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 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
•