Efficient Deployment and Management
Yealink T4U series supports effortless mass deployment and Zero Touch Provisioning with Yealink's Redirection and Provisioning Service (RPS) and Boot mechanism, making the device management labor-saving and efficient for the administrators.

Color-screen Expansion Module EXP43
The 4.3-inch color screen expansion module is designed to offer advanced call handling capabilities with its simplified UI and up to 60 programmable keys for various features.

Specification

Product
Product id	812881
Brand	Yealink Network Technology
Partnr	SIP-T46U
EAN/UPC code	6938818304314
Technical details
Expansion module support	Y
Speakerphone	Y
Display
Display	LCD
Display resolution	480 x 272 Pixels
Display diagonal	4.3 inch
Backlight display	Y
Touchscreen	N
Phone features
Caller ID	Y
Redialing	Y
Conference call	Y
Call forwarding	Y
Call hold	Y
Number of VoIP accounts	16
Call waiting	Y
Phonebook capacity	1000 entries
Audio
Voice codecs	AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC
Network
Bluetooth	Y
Ethernet LAN data rates	10, 100, 1000 Mbit/s
Ethernet LAN	Y
Ethernet LAN interface type	Gigabit Ethernet
Wi-Fi	Y
Security
Security algorithms	AES, HTTPS, SRTP, TLS
Ports & interfaces
Ethernet LAN (RJ-45) ports	2
USB 2.0 ports quantity	2
Power
AC adapter input voltage	100 - 240 V
Power over Ethernet (PoE)	Y
Design
Product type	IP phone
Handset type	Wireless handset
Weight & dimensions
Width	244 mm
Depth	213 mm
Height	185 mm
Colour
Product colour	Grey
Operational conditions
Operating temperature (T-T)	0 - 40 °C
Operating relative humidity (H-H)	10 - 95 procent
Packaging content
Number of handles included	1 stuk(s)
Logistics data
Harmonized System (HS) code	85171800