Boost Productivity with New-Gen Design
The new Yealink T4U series offers a modern and elegant appearance, along with improvements for greater interoperability and better collaboration.
Sound and Hear with Remarkable Clarity
Yealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance.
Efficient Deployment and Management
The Yealink T4U series supports effortless mass deployment and Zero Touch provisioning with Yealink's Redirection and Provisioning Service (RPS) and Boot mechanism, making device management labor-saving and efficient for administrators.
| Design |
|---|
| Wall mountable |
Yes |
| Product colour |
Grey |
| Product type |
IP Phone |
| Phone features |
|---|
| Caller ID |
Yes |
| Phonebook capacity |
1000 entries |
| Number of VoIP accounts |
12 |
| SIP registrar server |
Yes |
| Anonymous call |
Yes |
| Call waiting |
Yes |
| Call hold |
Yes |
| Call forwarding |
Yes |
| Conference call |
Yes |
| Full duplex |
Yes |
| Direct call |
Yes |
| Lines quantity |
8 lines |
| Display |
|---|
| Backlight display |
Yes |
| Touchscreen |
No |
| Display resolution |
320 x 240 pixels |
| Display diagonal |
7.11 cm (2.8") |
| Display |
LCD |
| Audio |
|---|
| Microphone mute |
Yes |
| Speakerphone |
Yes |
| Network |
|---|
| Wi-Fi |
Yes |
| Ethernet LAN interface type |
Gigabit Ethernet |
| Ethernet LAN data rates |
1000 Mbit/s |
| Ethernet LAN |
Yes |
| Ports & interfaces |
|---|
| Ethernet LAN (RJ-45) ports |
2 |
| RJ-9 ports quantity |
2 |
| USB 2.0 ports quantity |
2 |
| Power |
|---|
| Power over Ethernet (PoE) |
Yes |
| Operational conditions |
|---|
| Operating temperature (T-T) |
-10 - 45 °C |
| Operating relative humidity (H-H) |
5 - 90% |
| Storage temperature (T-T) |
-30 - 70 °C |
| Weight & dimensions |
|---|
| Height |
174.9 mm |
| Depth |
206.2 mm |
| Width |
224.9 mm |
| Packaging content |
|---|
| Stand included |
Yes |
| Ethernet cable |
Yes |
| Handset |
Yes |
| Quick start guide |
Yes |
| Number of handles included |
1 pc(s) |
