YEALINK Gigabit HD 2 SIP Account IP Phone SIP-T31G

As a very fashionable and friendly entry-level Gigabit IP phone, Yealink SIP-T31G has 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 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.

Strong Performance, More Possibilities

Equipped with powerful chip, the T3 series owns a stronger computing ability and more upgraded functions, which ensures a higher productivity and smoother office experience. Due to great performance, T3 series is capable to extend more services for different business demands.

Superior HD Audio, Better Communication

The Yealink T3 series provides distraction-free communications with industry leading Smart Noise Filtering Technology, which delivers excellent sound quality without extraneous noises and allows fluent conversations.

Classic Design, Practical Details

Designed by Yealink original team, T3 series inherits the design concept of Yealink IP phone family. The advanced design including modern appearances and ergonomic details enables easier and friendly operation experience to users.

All in One Platform, Convenient Management

Proven reliability and integrations for Yealink Device Management Platform, installed the unified firmware, T3 series is simple to deploy and manage, which allows a significant reduction in the operation and maintenance cost.

Overview

• Yealink HD Voice
• 2.3” 132x64-pixel graphical LCD with backlight
• 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: Yes
• 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
• Speakerphone: Full-duplex hands-free speakerphone with AEC
• Format: VAD, CNG, AEC, PLC, AJB, AGC

• Accounts: 2 VoIP accounts
• Call hold, mute, DND: Yes
• One-touch speed dial, hotline: Yes
• Call forward, call waiting, call transfer: Yes
• Group listening, SMS, emergency call: Yes
• Redial, call return, auto answer: Yes
• Local 5-way conferencing: Yes
• Direct IP call without SIP proxy: Yes
• Ring tone selection/import/delete: Yes
• Set date time manually or automatically: Yes
• Dial plan: Yes
• XML Browser, action URL/URI: Yes
• Integrated screenshots: Yes
• RTCP-XR, VQ-RTCPXR: Yes
• Enhanced DSS Key: Yes 

• Local phonebook: Up to 1000 entries
• Black list: Yes
• XML/LDAP remote phonebook: Yes
• Smart dialing: Yes
• Phonebook search/import/export: Yes
• Call history: dialed/received/missed/forward

IP-PBX Features

• Busy Lamp Field (BLF), Bridged Line Appearance (BLA)
• Anonymous call, anonymous call rejection
• Hot-desking, voice mail
• Flexible seating
• Call park, call pickup
• Executive and Assistant
• Centralized call recording
• Visual voice mail
• Call recording

• Display: 2.3” 132x64-pixel graphical LCD with backlight
• LED: For call and message waiting indication
• LED Color: Dual-color (red or green) illuminated LEDs for line status information
• Intuitive user interface with icons and soft keys: Yes
• Multilingual user interface: Yes
• Caller ID:  With name and number

• 2 line keys: With LED
• 6 features keys: Transfer, message, headset, redial, mute, hands-free speakerphone
• Navigation: 5 navigation keys
• Volume: Volume control keys

• Dual-port Gigabit Ethernet
• Power over Ethernet (IEEE 802.3af), class 2
• 1 x RJ9 (4P4C) handset port
• 1 x RJ9 (4P4C) headset port

• Power Input & output: AC 100~240V input and DC 5V/600mA output
  
• Power consumption (PSU): 2-3W
• Power consumption (PoE): 3-4W
• Dimensions (W*D*H*T): 188mm*189mm*162mm*50mm

• Configuration: Browser/phone/auto-provision
• Auto provision: Via FTP/TFTP/HTTP/HTTPS for mass deploy and also with PnP
• Zero-sp-touch, TR-069: Yes
• Lock: Phone lock for personal privacy protection
• Package tracing export, system log: Yes

• SIP v1 (RFC2543), v2 (RFC3261)
• Call server redundancy supported: Yes
• NAT traversal: STUN mode
• Modes: Proxy mode and peer-to-peer SIP link mode
• IP assignment: static/DHCP
• Web: HTTP/HTTPS web server
• Time and date synchronization using SNTP: Yes
• UDP/TCP/DNS-SRV (RFC 3263): Yes
• QoS: 802.1p/Q tagging (VLAN), Layer 3 ToS DSCP
• SRTP for voice: Yes
• Transport Layer Security (TLS): Yes
• HTTPS certificate manager: Yes
• AES encryption for configuration file: Yes
• OpenVPN, IEEE802.1X: Yes
• IPv6: Yes
• LLDP/CDP/DHCP VLAN: Yes

• Handset with handset cord, Ethernet Cable (1.5m CAT5E UTP Cable) ,Stand, Quick Start Guide