Description

Yealink SIP-T31 IP Phone Nairobi, Kenya

Yealink SIP-T31 in Nairobi, Kenya is a two-line VoIP phone with HD audio quality, Gigabit Ethernet speed, and PoE support. Yealink SIP-T31 features Yealink’s Smart Noise Filtering technology crystal clear sound quality. Yealink SIP-T31 is intended to be familiar to users with two-line keys and a backlit display. HD audio performance means professional communications from the handset, full-duplex speakerphone or wired headset. The phone supports Yealink EHS headsets. Yealink SIP-T31 supports the open SIP communications protocol interoperable with VoIP phone systems and services. The phone supports two SIP lines and has a powerful chip to improve performance designed to last. The Yealink T3 Series of IP Phones feature unified firmware across the series to simplify the deployment, maintenance, and updating of the fleet.

Yealink SIP-T31 Features.

Stronger Performance, More Possibilities: Equipped with the powerful chip, the T3 series owns a stronger computing ability and more upgraded functions, which ensures higher productivity and a 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 the 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

Yealink SIP-T31 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
  • Local phonebook up to 1000 entries
  • Blacklist
  • 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 adapterAC 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 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 content
  • Yealink SIP-T31 IP phone
  • Handset with handset cord
  • Ethernet Cable (1.5m CAT5E UTP Cable)
  • Stand
  • Quick Start Guid
  • Power Adapter (Optional)