Efficient Deployment and ManagementYealink 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 EXP43The 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.
Design | |
Product type: | IP Phone |
Product colour: | Grey |
Handset type: | Wireless handset |
Phone features | |
Caller ID: | ![]() |
Phonebook capacity: | 1000 entries |
Number of VoIP accounts: | 16 |
Call waiting: | ![]() |
Call hold: | ![]() |
Call forwarding: | ![]() |
Conference call: | ![]() |
Redialing: | ![]() |
Display | |
Touchscreen: | ![]() |
Display: | LCD |
Display diagonal: | 10.9 cm (4.3") |
Display resolution: | 480 x 272 pixels |
Backlight display: | ![]() |
Audio | |
Speakerphone: | ![]() |
Voice codecs: | AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC |
Network | |
Ethernet LAN: | ![]() |
Wi-Fi: | ![]() |
Bluetooth: | ![]() |
Ethernet LAN interface type: | Gigabit Ethernet |
Ethernet LAN data rates: | 10,100,1000 Mbit/s |
Security algorithms: | AES, HTTPS, SRTP, TLS |
Ports & interfaces | |
USB 2.0 ports quantity: | 2 |
Ethernet LAN (RJ-45) ports: | 2 |
Expansion module support: | ![]() |
Power | |
Power over Ethernet (PoE): | ![]() |
AC adapter input voltage: | 100 - 240 V |
Operational conditions | |
Operating temperature (T-T): | 0 - 40 °C |
Operating relative humidity (H-H): | 10 - 95% |
Weight & dimensions | |
Width: | 244 mm |
Depth: | 213 mm |
Height: | 185 mm |
Packaging content | |
Number of handles included: | 1 pc(s) |
Logistics data | |
Harmonized System (HS) code: | 85171800 |