

Yealink T42U VoIP/SIP Phone (SIP-T42U), 12-Lines, 2 x Gigabit Ports, PoE, 2.7-inch Greyscale LCD Display w/ PSU
£96.31
The Yealink SIP-T42U VoIP/SIP Phone is a feature-rich business tool for excellent communications and extended functionality. With many built-in programmable keys, this 12-line IP phone guarantees enhanced productivity. Yealink Optima HD Voice technology and wideband codec of Opus gives you superb audio quality and crystal-clear voice communications. Moreover, the SIP-T42U has dual USB ports allowing you to use adapters for Bluetooth and WiFi, and also to use USB headsets and USB recording devices (sold separately, see accessories tab).
Key Features
- Includes 6W UK power supply.
- 2.7-inch 192×64-pixel graphical LCD with backlight.
- Dual USB ports.
- Dual firmware images.
- Opus codec support.
- Up to twelve (12) SIP accounts.
- PoE support.
- Dual-port Gigabit Ethernet.
- USB headset and EHS support (sold separately).
- WiFi via WF40/WF50 (sold separately).
- Bluetooth via BT40/BT41 (sold separately).
- Includes stand with two (2) adjustable angles.
- Wall mountable (kit sold separately).
Easy Customisation and High Expansibility
With two USB ports, the SIP-T42U makes Bluetooth, WiFi, USB headset and USB recording possible. You can use either of the USB ports freely according to your needs to enrich the phone’s features. Meanwhile, the phone has three pages of flexible buttons that can be easily programmed with fifteen paperless DSS keys.
HD Audio
Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance. Being an open, highly versatile audio codec, Opus is designed to give 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 better audio quality than other narrowband codecs. Plus, the T42U’s hearing aid compatible (HAC) handset can help people with hearing loss hear voices more clearly.
Efficient Installation and Provisioning
The Yealink T42U supports efficient provisioning and effortless mass deployment with Yealink’s Redirection and Provisioning Service (RPS). The Boot mechanism helps you to achieve Zero Touch Provisioning without any complex manual settings, which makes the T42U simple to deploy, and 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, etc. Moreover, it has dual firmware images that give you enterprise-level protection to avoid bricking your system if upgrades fail.
Standard Warranty: 2-Years
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Overview
The Yealink SIP-T42U VoIP/SIP Phone is a feature-rich business tool for excellent communications and extended functionality. With many built-in programmable keys, this 12-line IP phone guarantees enhanced productivity. Yealink Optima HD Voice technology and wideband codec of Opus gives you superb audio quality and crystal-clear voice communications. Moreover, the SIP-T42U has dual USB ports allowing you to use adapters for Bluetooth and WiFi, and also to use USB headsets and USB recording devices (sold separately, see accessories tab).
Key Features
- Includes 6W UK power supply.
- 2.7-inch 192×64-pixel graphical LCD with backlight.
- Dual USB ports.
- Dual firmware images.
- Opus codec support.
- Up to twelve (12) SIP accounts.
- PoE support.
- Dual-port Gigabit Ethernet.
- USB headset and EHS support (sold separately).
- WiFi via WF40/WF50 (sold separately).
- Bluetooth via BT40/BT41 (sold separately).
- Includes stand with two (2) adjustable angles.
- Wall mountable (kit sold separately).
Easy Customisation and High Expansibility
With two USB ports, the SIP-T42U makes Bluetooth, WiFi, USB headset and USB recording possible. You can use either of the USB ports freely according to your needs to enrich the phone’s features. Meanwhile, the phone has three pages of flexible buttons that can be easily programmed with fifteen paperless DSS keys.
HD Audio
Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance. Being an open, highly versatile audio codec, Opus is designed to give 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 better audio quality than other narrowband codecs. Plus, the T42U’s hearing aid compatible (HAC) handset can help people with hearing loss hear voices more clearly.
Efficient Installation and Provisioning
The Yealink T42U supports efficient provisioning and effortless mass deployment with Yealink’s Redirection and Provisioning Service (RPS). The Boot mechanism helps you to achieve Zero Touch Provisioning without any complex manual settings, which makes the T42U simple to deploy, and 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, etc. Moreover, it has dual firmware images that give you enterprise-level protection to avoid bricking your system if upgrades fail.
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