Yealink SIP-T42S IP Phone

Quick Info:

  • Office Worker IP phone
  • HD Audio
  • 12 SIP accounts
  • Gigabit Network ports
  • PoE
  • 6 direct dial keys
  • Graphic LCD display, backlit
  • OpenVPN built-in

Compatible with:

  • Any SIP based IP PBX
  • 3CX certified
  • Skype for Business certified

Available accessories:

  • WF40 Wi-Fi dongle
  • BT40 Bluetooth dongle
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Developed with a very ergonomic and appealing design the Yealink 4X IP Telephone series is built for modern business communications. The Yealink SIP-T42S is a high-end phone designed for demanding work environments with Gigabit Network infrastructure.

The Yealink SIP-T42S has a 2.7 inch 192 x 64 pixel graphical LCD display with 6 dual-color LED keys supporting line status information and paperless label design. The T-42S is designed for office workers and other employees that need to make phone calls every day.

HD Speakerphone, Voicemail waiting light and a phone book that can save up to 1000 contacts make this device a good all-rounder for the daily work routine. Illuminated Mute, Headset, Speakerphone keys provide very intuitive navigation.

With build-in PoE support and 2x Gigabit LAN ports that allow connecting a Computer to the IP Phone for Internet access the phone is designed for advanced office networks.

To increase convenience when taking notes or use the computer while in a conversation you can conveniently connected either a corded or a wireless device in conjunction with the Yealink EHS36 Adapter.

With VoIP Thailand’s Hosted IP PBX Solutions the Yealink SIP-T42S can be conveniently & securely deployed via OpenVPN and TLS encryption.

Please note: The Yealink T-4X Series does not include a Power Adapter. We recommend connecting the phone with a PoE Injector or PoE Switch.

Other key functions include:

  • Local phone book with up to 1000 entries
  • 12 VoIP Accounts
  • blacklisting callers via Caller ID
  • Wall mountable (requires separate Wall Mount bracket)
  • Call History
  • HD Handset & Speaker
  • XML Support
  • encrypted conversations via TLS/SSL
  • OpenVPN/TLS support
  • VLAN support

In combination with our IP-PBX Solutions additional features such as the following functions can be used:

  • Hot-Desking
  • Busy Lamp field
  • Message Waiting Light
  • Voice mail
  • Intercom, paging
  • Music on Hold
  • Call Recording

Yealink SIP-T42S Accessories:

  • ESH36 Adapter (connect wireless Headsets)
  • Wall Mount Bracket
  • Corded Headsets





Display Size

Video Telephony

HD Audio

Phonebook Size

Programmable Keys

Expansion Module

Network Port

VPN Built-in

Headset Jack

EHS Support



Skype for Business

Wall Mountable


Power Adaptor

฿8,450.00 for 3 item(s)

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