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Yealink T42S

Feature-rich 6-line VoIP desktop phone with High resolution LCD display

Internal ref: YEALINKT42S
4.3 of 3 Reviews
Key features
  • HD Voice technology
  • Supports up to 6 VoIP accounts
  • PoE, dual-port gigabit Ethernet
  • 2.7" 192 x 64 graphical LCD display
  • RJ9 headset port
  • Phonebook for 1000 entries

This product is no longer manufactured

This product have been replaced by Yealink T42U

Yealink T42U

Yealink T42U

£91.99 £75.99 £91.19 Incl. VAT
See the replacement product
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Product description

Elegant VoIP desktop phone offering great audio quality

The Yealink T42S is an elegant executive-grade 6 line VoIP desktop phone offering great audio quality alongisde an easy-to-use interface and an attractive design. This is a practical and stylish telephone which would look and work great for intensive use on any office desktop.

High resolution LCD display

With a high resolution 2.7" backlit graphical LCD display and programmable keys, this phone's intuitive interface will help you to be more productive as well as facilitating the use of the device's extensive call management features.

Improving from the T42G now the T42S includes the Optima HD technology that provides clear and lifelike communications, both through the handset and the speakerphone function.

Two Gigabit Ethernet ports

The SIP-T42G has two Gigabit Ethernet ports allowing PoE usage for streamlined setup and minimal cabling. This phone supports a variety of connections, including headsets, electronic hook switches, and USB.

Supports up to 6 VoIP accounts

This phone has been designed for professionals who require multiple lines, supporting up to 6 VoIP accounts. It is easy and comfortable to use and its stand can be adjusted into different angles, or even wall mounted.


  • Revolutionary new design
  • Yealink Optima HD voice
  • Dual-port Gigabit Ethernet
  • 2.7" 192 x 64-pixel backlit graphical LCD
  • Up to 6 SIP accounts
  • Paper label free design
  • PoE support
  • Headset, EHS support
  • Stand with 2 adjustable angles
  • Wall mountable
  • HD voice: HD handset, HD speaker
  • Codecs: G.722, G.711(A/μ), G.723, G.729AB, G.726, GSM
  • DTMF: In-band, Out-of-band(RFC 2833) and SIP INFO
  • Full-duplex hands-free speakerphone with AEC
  • Call hold, mute, DND
  • One-touch speed dial
  • Call forward, call waiting, call transfer
  • Group listening, SMS, emergency call
  • Redial, call return, auto answer
  • Call history: dialed/received/missed/forwarded
  • 3-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
  • Local phonebook up to 1000 entries
  • IP-PBX and BroadSoft Features
  • Busy Lamp Field (BLF), BLF list
  • Bridged Line Apperance(BLA)/SCA
  • Anonymous call, Anonymous call rejection
  • DND & forward synchronization
  • BroadWorks anywhere
  • N-Way Calling, remote office
  • Network call logs
  • BroadSoft call center features
  • Message Waiting Indicator (MWI)
  • Voice mail, call park, call pickup
  • Intercom, paging, music on hold
  • Call completion, call recording

In the box

  • Yealink SIP-T42S IP phone
  • Handset with handset cord
  • Ethernet Cable (2m CAT5E UTP Cable)
  • Stand
  • Quick Start Guide


Yealink T42S - Datasheet
Yealink T42S - User manual

Product Specs.

More Information
Manufacturer part #T42S
Warranty1 year
Connecting lineIP
Number of lines12
Key featuresWith 3-way conference, With call log
Function keysWith call key , With hands free kit, With mute key , With navigation key , With pause key , With R key, With redial key
Softkeys5 softkeys
Phonebook featuresBlack list - XML - DND
Expansion moduleNot compatible
Optimized for Microsoft LyncNot optimized for Microsoft Lync
Volume controlHandset volume control , Ringtone volume control , Speakerphone volume control
Hearing aid compatibleCompatible with hearing aid
Hands freeWith hands free kit
Headset portWith headset port
Type of headset jackRJ
Sound qualityHD voice sound
Line poweredSelf-powered
Power sourcePoE powered
DisplayWith display
Type of displayBlack and white display, Graphical display, LCD display
Display size2.7" TFT LCD
KeypadNumerical keypad
Call indicator LEDWith LED call indicator
Connectivity2 RJ45 gigabit ports
Wall mountingWith optional wall mounting

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