SIP-T31

Entry-level IP Phone with 2 Lines & HD voice

As a very fashionable and friendly entry-level IP phone, Yealink SIP-T31 has an extra-large 132x64-pixel graphical LCD with backlight that brings clear visual experience for users. The T31 offers support for two VoIP accounts and includes local 5-way conferencing to maximize productivity. Working with the adjustable multi-angle stand, the T31 IP phone ensures you to work in different situation. Easyto-use and powerful features together with reasonable price deliver excellent voice communications solution.

Features :

• Yealink HD Voice

• 2.3” 132x64-pixel graphical LCD with backlight

• Two-port 10/100M Ethernet Switch

• 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

• Handset with hall switch

Specifications :

Audio Features

• HD voice: HD handset, HD speaker

• Smart Noise Filtering

• Narrowband codec: PCMU (G.711A), PCMA (G.711μ), G.723.1, G.729, G.729A, G.729B, 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” 132x64-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

• 2 x RJ45 10/100M Ethernet ports

• 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 100-240 V input and DC 5 V/0.6 A output

• Power consumption (PSU): 2-3 W

• Dimension (W x D x H x T): 188 x 189 x 162 x 50 mm

• Operating humidity: 10-95%

• Operating temperature: -10 to +45°C (+14 to 113°F)

• Storage temperature: -30 to +70°C (-22 to +158°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 1.3)

• HTTPS certificate manager

• AES encryption for configuration file (AES256)

• Digest authentication

• OpenVPN, IEEE802.1X, L2TP VPN

• IPv6

• LLDP/CDP/DHCP VLAN

• ICE

• WPA2/WPA3

• Secure boot

• GARP (Generic Attribute Registration Protocol)