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Yealink SIP-T48U IP phone Grey LED Wi-Fi

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SIP-T48U
Full Product Specs
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YEALINK T48U PHONE

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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.

Feature Feature Value
Product type IP Phone
Product colour Grey
Handset type Wired handset
Caller ID Y
Phonebook capacity 1000 entries
Number of VoIP accounts 16
Call waiting Y
Call hold Y
Call forwarding Y
Conference call Y
Redialing Y
Keypad number of keys 29
Touchscreen Y
Display LED
Display diagonal 17.8 cm (7″)
Display resolution 800 x 480 pixels
Backlight display Y
Speakerphone Y
Voice codecs AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Ethernet LAN Y
Wi-Fi Y
Bluetooth Y
Ethernet LAN interface type Gigabit Ethernet
Ethernet LAN data rates 10,100,1000 Mbit/s
Security algorithms AES, HTTPS, SRTP, TLS
USB 2.0 ports quantity 2
Ethernet LAN (RJ-45) ports 2
Expansion module support Y
Power over Ethernet (PoE) Y
AC adapter input voltage 100 – 240 V
Operating temperature (T-T) 0 – 40 °C
Operating relative humidity (H-H) 10 – 95%
Width 226 mm
Depth 226 mm
Height 185 mm
Number of handles included 1 pc(s)
Harmonized System (HS) code 85171800

Additional information

Product type

IP Phone
Handset type

Wired handset
Phonebook capacity

1000 entries
Call waiting

Y
Call forwarding

Y
Redialing

Y
Touchscreen

Y
Display diagonal

17.8 cm (7")
Backlight display

Y
Voice codecs

AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Wi-Fi

Y
Ethernet LAN interface type

Gigabit Ethernet
Security algorithms

AES, HTTPS, SRTP, TLS
Ethernet LAN (RJ-45) ports

2
Power over Ethernet (PoE)

Y
Operating temperature (T-T)

0 – 40 °C
Width

226 mm
Height

185 mm
Harmonized System (HS) code

85171800
Product colour

Grey
Caller ID

Y
Number of VoIP accounts

16
Call hold

Y
Conference call

Y
Keypad number of keys

29
Display

LED
Display resolution

800 x 480 pixels
Speakerphone

Y
Ethernet LAN

Y
Bluetooth

Y
Ethernet LAN data rates

10,100,1000 Mbit/s
USB 2.0 ports quantity

2
Expansion module support

Y
AC adapter input voltage

100 – 240 V
Depth

226 mm
Number of handles included

1 pc(s)