Yealink T42U IP Phone (SIP-T42U)
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06/01/2025
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£65.20 exc. VAT
Availability:In stock for next day delivery
Key Features
- 2.7" graphical LCD
- Dual USB ports
- Up to 12 SIP accounts
Pricing
Volume Price Discounts
| 5+ | £64.40 | | 10+ | £63.60 | | 25+ | £62.80 |
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Shipping costs are calculated based on weight and destination during checkout. For next day delivery our cut off is 16:00.
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SKU:T42U
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Available Options:
Available Product Options:
| Power Supply Required?: |
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| Need Product Setup / Training / Support?: |
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| Wired Headset: |
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| Wireless Headset: |
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| Wall Mount Bracket Required?: |
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- Product Details
- Specification
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Yealink T42U IP Phone (SIP-T42U)
The Yealink SIP-T42U IP phone is a feature-rich business tool for excellent communications and extended functionality. Featuring built-in programmable keys, this 12-line IP phone guarantees enhanced productivity. United Yealink Optima HD Voice technology and wideband codec of Opus gives you superb audio quality and crystal-clear voice communications. The phone feels quicker and more responsive when performing call features. In addition, the T42U includes dual USB ports, making Bluetooth, Wi-Fi, USB headset and USB recording possible, and you can use any two of them freely according to your needs. The Yealink T4U series offers the same elegant appearance as the T4 line, but with improvements for greater interoperability and better collaboration.
Yealink SIP-T42U Key Features
- 2.7" 192x64-pixel graphical LCD with backlight
- Dual USB ports
- Dual firmware images
- Opus codec support
- T4U Auto-P template unified
- T4U firmware unified
- Up to 12 SIP accounts
- PoE support
- Dual-port Gigabit Ethernet
- USB headset and EHS support
- Wi-Fi via WF40/WF50
- Bluetooth via BT40/BT41
- Stand with 2 adjustable angles
- Wall mountable
Easy Customisation and High Expansibility
Accompanied by two USB ports, the T42U is your right-hand man in the office that makes Bluetooth, Wi-Fi, USB headset and USB recording possible, and you can use any two of them freely according to your needs to enrich phone features. Meanwhile, the phone has three pages of flexible buttons that can be easily programmed with 15 paperless DSS keys at most.
HD Audio
Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance. Being a totally open, highly versatile audio codec, Opus, is designed to perform a higher HD audio quality than other wideband codecs in a high network bandwidth; However, if your current network quality is poor, Opus can provide you with a better audio quality than other narrowband codecs. And its hearing aid compatible (HAC) handset helps the person who is with hearing loss to hear the voice more clearly.
Efficient Installation and Provisioning
Yealink T42U supports efficient provisioning and effortless mass deployment with Yealink’s Redirection and Provisioning Service (RPS) and Boot mechanism to help you realise the Zero Touch Provisioning without any complex manual settings, which makes the T4U series simple to deploy, easy to maintain and upgrade. Furthermore, a unified firmware and auto-p template that applies to all T4U phone models, saves even more time and costs for businesses, as well as simplifies the management and maintenance.
Secure Transport and Interoperability
The Yealink T42U uses SIP over Transport Layer Security (TLS/SSL), which is the latest network security technology. It’s also compatible with leading soft switch suppliers, such as 3CX, Broadsoft Broadworks. Moreover, it is carried with dual fimrware images that gives you a enterprise-level protection to avoid bricking your system once an upgrade fails.
Yealink SIP-T42U Technical Specification
Audio Features
- HD voice: HD handset, HD speaker
- Hearing aid compatible (HAC) handset
- Acoustic Shield
- Wideband codec: AMR-WB (optional), Opus, G.722
- Narrowband codec: AMR-NB (optional), Opus, 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
- 12 VoIP accounts
- One-touch speed dial, redial
- Call forward, call waiting, call transfer, call hold
- Call return, group listening, emergency call
- Mute, auto answer, DND, hoteline
- 5-way conference call
- Direct IP call without SIP proxy
- Ring tone selection/import/delete
- Set date time manually or automatically
- Dial Plan, XML Browser, Action URL/URI
- RTCP-XR (RFC3611), VQ-RTCPXR (RFC6035)
- Dual USB ports (2.0 compliant):
- Bluetooth earphone through BT40/BT41
- Contact synchronization through BT40/BT41
- Wi-Fi through WF40/WF50
- USB call recording through USB flash drive
- USB headset
- Wireless Headset Adapter EHS40
- Enhanced DSS key
Directory
- Local phonebook up to 1000 entries
- Black list
- 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, Executive and Assistant
- Call park, call pickup
- Centralised call recording
- Visual voice mail
- Call recording
Display and Indicator
- 2.7" 192x64-pixel graphical LCD with backlight
- LED for call and message waiting indication
- Dual-colour (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
- 6 line keys with LED
- 6 line keys can be programmed up to 15 paperless DSS keys (3-page view)
- 5 features keys: message, headset, mute, redial, hands-free speakerphone
- 4 context-sensitive “soft” keys
- 6 navigation keys
- 2 volume control keys
- Illuminated mute key
- Illuminated headset key
- Illuminated hands-free speakerphone key
Interface
- 2 x RJ45 10/100/1000M Ethernet ports
- Power over Ethernet (IEEE 802.3af), Class 2
- 2 x USB port (2.0 compliant)
- 1 x RJ9 (4P4C) handset port
- 1 x RJ9 (4P4C) headset port
Other Physical Features
- Colour: Classic Grey
- Stand with 2 adjustable angles
- Wall mountable
- External Yealink AC adapter (optional): AC 100~240V input and DC 5V/1.2A output
- USB output currency: 5V 500mA
- Power consumption (PSU): 0.9-2.2W
- Power consumption (PoE): 1.3-2.9W
- Dimension (W*D*H*T): 212mm*189mm*175mm*54mm
- 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
- Broadsoft device management
- 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-T42U IP phone
- Handset with handset cord
- Ethernet Cable (2m CAT5E UTP Cable)
- Stand
- Quick Start Guide
- Power Adapter (Optional)
- Wall Mount Bracket (Optional)
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