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