Yealink SIP-T31G Classic Gigabit IP Phone

The Yealink SIP-T31G Gigabit IP Phone is a cutting-edge communication tool designed to elevate business communications in Nigeria’s fast-paced corporate world. This modern handset delivers crystal-clear voice quality, ensuring every conversation is as smooth and effective as face-to-face meetings.

Features

1. Gigabit Ethernet Technology: The T31G boasts dual Gigabit Ethernet ports, providing lightning-fast network speeds.
2. HD Voice Quality: Experience unparalleled audio clarity with Yealink’s HD Voice technology.
3. Easy Customization: With a user-friendly interface and programmable keys, the T31G is easily customizable to suit your specific business needs.
4. PoE Support: Power over Ethernet (PoE) capability simplifies your setup by reducing the need for additional wiring.
5. Ergonomic Design: The phone’s sleek, modern design is not just about aesthetics; it’s built for comfort during long calls, with an adjustable stand and a handset that’s easy on the ear.
6. Compatibility: The T31G is compatible with a variety of call control platforms, making it a versatile choice for many different business environments.

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

• Local phonebook up to 1,000 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 Appearance(BLA)
• Anonymous call, anonymous call rejection
• Hot-desking, voice mail
• Flexible seating
• Call park, call pickup
• Executive and Assistant
• Centralised 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-colour (red or green) illuminated LEDs forline 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
• Power over Ethernet (IEEE 802.3af), class 2
• 1 x RJ9 (4P4C) handset port
• 1 x RJ9 (4P4C) headset port

Other Physical Features

• Colour: 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 (W*D*H*T): 188mm*189mm*162mm*50mm
• 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 synchronisation using SNTP
• UDP/TCP/DNS-SRV (RFC 3263)
• QoS: 802.1p/Q tagging (VLAN), Layer 3 ToSDSCP
• SRTP for voice
• Transport Layer Security (TLS)
• HTTPS certificate manager
• AES encryption for the configuration file
• Digest authentication
• OpenVPN, IEEE802.1X
• IPv6
• LLDP/CDP/DHCP VLAN
• ICE