SIP-T31G – 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 situations. 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

• 2x 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

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

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

Interface

• Dual-port Gigabit Ethernet
• Power over Ethernet (IEEE 802.3af), class 2
• 1x RJ9 (4P4C) handset port
• 1x 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/600 mA output
• Power consumption (PSU): 2-3 W
• Power consumption (PoE): 3-4 W
• Dimension (W x D x H): 188 x 189 x 162 mm
• Operating humidity: 10~95%
• Operating temperature: -10°C ~ 50°C (+14°F ~ 122°F)