Yealink Gigabit IP Phone with 2 Lines & HD voice Owner’s Manual

: June 7, 2024
: Yealink

Table of Contents

Yealink SIP-T31G Owner’s Manual
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Yealink SIP-T31G Owner’s Manual

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.

Yealink SIP-T31G

Key Features

Key Features and Benefits

Yealink HD Voice
2.3” 132×64-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

Stronger 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.

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

Loal 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
Centralized 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-color (red or green) illuminated LEDs for line 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

Color: 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 (WDHT): 188mm189mm162mm50mm
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 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 mm210 mm103 mm
Carton Meas: 535 mm443 mm227 mm

Compliance

Compliance Logos

Connection

Learn More

To find out how Yealink solutions can help your organization, visit us at www.yealink.com or mail to sales@yealink.com.

About Yealink

Yealink is a global leading provider of enterprise communication and collaboration solutions, offering video conferencing service to worldwide enterprises. Focusing on research and development, Yealink also insists on innovation and creation. With the outstanding technical patents of cloud computing, audio, video and image processing technology, Yealink has built up a panoramic collaboration solution of audio and video conferencing by merging its cloud services with a series of endpoints products. As one of the best providers in more than 140 countries and regions including the US, the UK and Australia, Yealink ranks No.1 in the global market share of SIP phone shipments.

Copyright

Copyright © 2020 Yealink(Xiamen) Network Technology CO., LTD. All rights reserved. No parts of this publication may be reproduced or transmitted in any form or by any means, electronic or mechanical, photocopying, recording, or otherwise, for any purpose, without the express written permission of Yealink(Xiamen) Network Technology CO., LTD.

Technical Support

Visit Yealink WIKI (http://support.yealink.com/) for firmware downloads, product documents, FAQ, and more. For better service, we sincerely recommend you to use Yealink Ticketing system (https://ticket.yealink.com) to submit all your technical issues.

YEALINK(XIAMEN) NETWORK TECHNOLOGY CO.,LTD.
Web: www.yealink.com
Addr: No.1 Ling-Xia North Road, High Tech Park, Huli District, Xiamen, Fujian, P.R.C
Copyright©2020 Yealink Inc. All right reserved.