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Yealink T42S Gigabit IP Phone (SIP-T42S) | Like New

Yealink T42S Gigabit IP Phone (SIP-T42S) | Like New

SKU: SIP-T42S-LN
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This Phone Supports Webex Calling

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Overview

Overview of Yealink T42S Gigabit IP Phone (SIP-T42S) | Like New


The Yealink T42S Gigabit IP Phone (SIP-T42S) is a feature-rich business IP phone, specifically designed for office and professional use. It supports up to 12 SIP accounts and offers superior voice communication with Yealink's Optima HD Voice technology and a wideband Opus codec for crystal clear audio. The phone offers rapid call handling with Gigabit Ethernet, and an improved interface over previous models for better performance and easier management. Its new USB port allows for expanded features such as Bluetooth, Wi-Fi, and USB recording, making it suitable for dynamic office environments.


Yealink T42S Gigabit IP Phone (SIP-T42S) Features:

  • Supports up to 12 SIP accounts/lines
  • 2.7" 192x64-pixel graphical LCD with backlight
  • Yealink Optima HD Voice technology
  • Dual-port Gigabit Ethernet
  • PoE (Power over Ethernet) support (Class 2)
  • USB 2.0 port for Bluetooth/Wi-Fi/USB recording expansion
  • Multiple programmable keys for enhanced productivity
  • Headset and EHS (Electronic Hook Switch) support
  • Wall-mountable with integrated adjustable stand
  • Secure remote provisioning and software upgrades
  • Supports standard codecs including Opus, G.722, G.711, G.729, etc.
  • Paperless label design for user convenience

Best Uses for Yealink T42S Gigabit IP Phone (SIP-T42S):

  • Offices requiring efficient voice communication for staff or managers
  • Reception desks and multi-line call handling scenarios
  • Call centers for agents needing superior audio and productivity features
  • Dynamic business environments needing flexibility, ease of expansion, and robust provisioning options
  • Remote or hybrid teams utilizing USB/Bluetooth headsets or Wi-Fi capabilities

This phone is designed to optimize productivity and deliver professional audio experience, making it best suited for fast-paced office and business environments.

Specifications

Specifications for Yealink T42S Gigabit IP Phone (SIP-T42S) | Like New


ManufacturerYealink
Manufacturer Part NumberSIP-T42S
Product NameYealink T42S Gigabit IP Phone (SIP-T42S)
Product TypeIP Phone
Display2.7" 192x64-pixel graphical LCD with backlight
Lines/SIP Accounts12
Ethernet PortsDual-port Gigabit Ethernet
PoE SupportYes (IEEE 802.3af, Class 2)
USB Port1× USB 2.0 port
Headset SupportRJ9 (wired), EHS (wireless headset adapter support)
Audio CodecsOpus, G.722, G.711(A/μ), G.729, G.726, GSM
HD VoiceHandset and Speakerphone
ProvisioningHTTP, HTTPS, FTP, TFTP, Web GUI
Programmable KeysMultiple (incl. 4 soft keys, navigation cluster)
Conferencing3-way conference call
Wall MountableYes
Power SupplyPoE or optional 5V/1.2A AC adapter (sold separately)
Dimensions212mm × 189mm × 175mm × 54mm
Operating Temp-10~50°C
Operating Humidity10~95%
Firmware/Auto-PUnified with T4S Series
Special ExpansionBluetooth/Wi-Fi/Recording via USB module
Hearing Aid CompatibleYes

User Guides

Yealink SIP-T42S Gigabit IP Phone Data Sheet.

Frequently Asked Questions

Yealink T42S Gigabit IP Phone (SIP-T42S)
Frequently Asked Questions (FAQ's)



What type of businesses is the Yealink T42S suitable for?
  • The Yealink T42S is ideal for small to medium-sized businesses and enterprise-level organizations seeking reliable VoIP communication with professional-grade audio and performance.
    • Is the Yealink T42S compatible with most VoIP providers?
  • Yes, the SIP-T42S is compatible with a wide range of SIP-based VoIP platforms, including 3CX, BroadSoft, Asterisk, and more.
    • Does the Yealink T42S support Power over Ethernet (PoE)?
  • Yes, the Yealink T42S supports PoE, allowing it to be powered through an Ethernet cable without needing a separate power adapter.
    • How many SIP accounts can the Yealink T42S handle?
  • The T42S supports up to 12 SIP accounts, making it suitable for users who require multiple lines or identities on one device.
    • What kind of display does the Yealink T42S feature?
  • It features a 2.7-inch backlit LCD screen with a resolution of 192x64 pixels, offering clear visual information and easy navigation.
    • Does the Yealink T42S have Gigabit Ethernet ports?
  • Yes, it includes dual-port Gigabit Ethernet for high-speed network connectivity and seamless data transmission.
    • Can I use a headset with the Yealink T42S?
  • Yes, the phone includes an RJ9 headset port and is compatible with wired and EHS-compatible wireless headsets.
    • What audio technology is used in the Yealink T42S?
  • The T42S uses Yealink Optima HD Voice technology, which combines software and hardware enhancements for rich, clear audio quality.
    • Is the Yealink T42S wall-mountable?
  • Yes, it can be mounted on the wall with a compatible wall mount bracket, making it flexible for different office layouts.
    • What is the difference between Yealink T42S and T42G?
  • The T42S features an upgraded hardware platform, faster boot time, and support for the Yealink Unified Firmware compared to the older T42G model.
    • Does the Yealink T42S support expansion modules?
  • Yes, it supports the Yealink EXP43 expansion module for additional programmable keys and enhanced call handling.
    • Can I customize the line keys on the Yealink T42S?
  • Yes, the programmable keys can be customized for various functions like BLF, speed dial, call forwarding, and more.
    • Is there a USB port on the Yealink T42S?
  • No, the SIP-T42S does not have a USB port; however, other models in the T4 series such as the T46S include one.
    • Does the Yealink T42S support secure communication?
  • Yes, it supports a variety of security protocols including TLS, SRTP, HTTPS, and 802.1x for secure voice and network traffic.
    • How do firmware updates work on the Yealink T42S?
  • Firmware can be updated via the web interface or provisioning server to ensure the phone stays secure and up to date with the latest features.
    • What codecs are supported by the Yealink T42S?
  • It supports wideband codecs such as G.722 and narrowband codecs like G.711(A/μ), G.729, G.723, and more.
    • Can the Yealink T42S be used with a VPN?
  • While the T42S doesn’t have native VPN support, it can operate behind a VPN-enabled router or firewall as part of a secure network.
    • Does the Yealink T42S include speakerphone functionality?
  • Yes, it includes a full-duplex speakerphone with advanced echo cancellation for hands-free calling.
    • Is the Yealink T42S easy to set up?
  • Yes, it features intuitive configuration via web GUI and is also compatible with auto-provisioning for large-scale deployments.
    • Can I use the Yealink T42S with Microsoft Teams or Zoom?
  • The T42S is a SIP phone and not natively compatible with Microsoft Teams or Zoom, but it can be used with these platforms via compatible VoIP gateways or services that support SIP interoperability.
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