Yealink T4 Series IP Phones

Yealink SIP-T42S VoIP Phone

  • Like New: $39.88
  • New: $100.95
Availability: In Stock
$39.88
$39.88
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Yealink SIP-T42S VoIP Phone

The SIP-T42S IP phone is a dynamic business communications tool for superior voice communications and extended functionality. It has a faster, more responsive interface than the T42G and offers better overall performance. The SIP-T42S is a 12-line IP phone with multiple programmable keys for enhancing productivity. It is with Yealink Optima HD Voice Technology and wideband codec of Opus for superb sound quality and crystal clear communications. What’s more, the SIP-T42S is built with Gigabit Ethernet technology for rapid call handling. Plus, with an all-new USB port, the SIP-T42S boasts unparalleled functionality and expansibility with Bluetooth, Wi-Fi and USB recording features. The new T4S series offers the same elegant appearance of the T4 line, but with improvements for greater interoperability and collaboration.



Features

  • 12 VoIP accounts
  • One-touch speed dial, redial
  • Call forward, call waiting
  • Call transfer, call hold
  • Call return, group listening
  • Mute, auto answer, DND
  • 3-way conference call
  • Direct IP call without SIP proxy
  • Ring tone selection/import/delete
  • Hotline, emergency call
  • Set date time manually or automatically
  • Dial plan, XML Browser, Action URL/URI
  • RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
  • USB port (2.0 compliant): Bluetooth earphone through BT40, Wi-Fi through WF40, USB call recording through USB flash drive
  • Enhanced DSS key
  • Power over Ethernet (PoE): Yes
  • Power Supply NOT Included (optional and sold seperately)

Specifications

  • Yealink Optima HD voice : HD handset, HD speaker
  • Full-duplex hands-free speakerphone with AEC
  • Dual-Port Gigabit Ethernet - PoE support
  • External universal AC adapter (optional): AC 100~240V input and DC 5V/1.2A output

Yealink SIP T42S Datasheet

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C.Pitts Verified Customer   
03-26-25

We were in search of phones that had been discontinued for quite some time, and I am delighted to have discovered this website. The entire process-from placing the order to receiving the devices-was seamless and highly efficient. The website is clean, user-friendly, and easy to navigate, which made browsing and purchasing straightforward. After placing the order, the phones arrived within the promised time frame and were in excellent condition. The company provided timely updates regarding the status of my order without overwhelming me with unnecessary promotional messages. This level of communication was both reassuring and professional. I highly recommend this company/website, especially for those seeking older, discontinued devices.

Jahlawny E. Verified Customer   
03-26-25
Matthew S. Verified Customer   
03-26-25

The price is more than fair! I'm looking forward to receiving my order.