Yealink SIP-T48U IP phone Grey LED Wi-Fi

SKU
1301204
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7" 800 x 480 LED, AC 100~240V/ DC 5V/2A
More Information
SKU 1301204
EAN 6938818304321
Manufacturer Yealink
Availability In Stock
PDF URLs View PDF
Easy Customization and High Expansibility
The SIP-T48U has a seven-inch, 800 x 480-pixel, backlit- color touch screen, which enables a rich
visual presentation and easy navigation. Accompanied by two USB ports, the T48U 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 not only has 29 one-touch DSS keys that can be easily programmed to
various features, but also can connect up to three expansion modules, for up to 180 additional
buttons with a screen-based LCD display and LED system.

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 T4U series supports efficient provisioning and effortless mass deployment with Yealink’s
Redirection and Provisioning Service (RPS) and Boot mechanism to help you realize 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 (T41U, T43U, T46U and T48U), saves even more time and costs for
businesses, as well as simplifies the management and maintenance.

Secure Transport and Interoperability
The SIP-T48U 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.
Features
Handset typeWired handset
Keypad number of keys29
Expansion module supportYes
Product colourGrey
Technical details
Handset typeWired handset
SpeakerphoneYes
Keypad number of keys29
Expansion module supportYes
Harmonized System (HS) code85171800
Security
Security algorithmsAES, HTTPS, SRTP, TLS
Design
Product typeIP Phone
Handset typeWired handset
Product colourGrey
Phone features
Number of VoIP accounts16
RedialingYes
Phonebook capacity1000 entries
Conference callYes
Caller IDYes
Call waitingYes
Call holdYes
Call forwardingYes
Management features
Keypad number of keys29
Display
TouchscreenYes
Display resolution800 x 480 pixels
Display diagonal17.8 cm (7")
DisplayLED
Backlight displayYes
Audio
Voice codecsAGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
SpeakerphoneYes
Network
Ethernet LAN interface typeGigabit Ethernet
Ethernet LAN data rates10,100,1000 Mbit/s
Wi-FiYes
Security algorithmsAES, HTTPS, SRTP, TLS
Ethernet LANYes
BluetoothYes
Colour
Product colourGrey
Ports & interfaces
USB 2.0 ports quantity2
Expansion module supportYes
Ethernet LAN (RJ-45) ports2
Power
Power over Ethernet (PoE)Yes
AC adapter input voltage100 - 240 V
Operational conditions
Operating temperature (T-T)0 - 40 °C
Operating relative humidity (H-H)10 - 95%
Weight & dimensions
Width226 mm
Depth226 mm
Height185 mm
Packaging content
Number of handles included1 pc(s)
Logistics data
Harmonized System (HS) code85171800

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Description
Easy Customization and High Expansibility
The SIP-T48U has a seven-inch, 800 x 480-pixel, backlit- color touch screen, which enables a rich
visual presentation and easy navigation. Accompanied by two USB ports, the T48U 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 not only has 29 one-touch DSS keys that can be easily programmed to
various features, but also can connect up to three expansion modules, for up to 180 additional
buttons with a screen-based LCD display and LED system.

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 T4U series supports efficient provisioning and effortless mass deployment with Yealink’s
Redirection and Provisioning Service (RPS) and Boot mechanism to help you realize 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 (T41U, T43U, T46U and T48U), saves even more time and costs for
businesses, as well as simplifies the management and maintenance.

Secure Transport and Interoperability
The SIP-T48U 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.
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Short Description
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