Well-rounded SIP Phone for Workers of Co-working Space
Description
Boost Productivity with New-Gen DesignThe new Yealink T4U series offers a modern and elegant appearance, along with improvements for greater interoperability and better collaboration.
Sound and Hear with Remarkable ClarityYealink Optima HD Voice technology combines cutting-edge hardware and software with wideband technology for maximum acoustic performance.
Efficient Deployment and ManagementThe 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.
Specifications
| Features | 
|---|
| SIP registrar server | Yes | 
| Wall mountable | Yes | 
| Handset | Yes | 
| Ethernet cable | Yes | 
| Product colour | Gray | 
| Design | 
|---|
| Product type | IP Phone | 
| Wall mountable | Yes | 
| Product colour | Gray | 
| Phone features | 
|---|
| SIP registrar server | Yes | 
| Number of VoIP accounts | 12 | 
| Lines quantity | 8 lines | 
| Phonebook capacity | 1000 entries | 
| Full duplex | Yes | 
| Direct call | Yes | 
| Conference call | Yes | 
| Caller ID | Yes | 
| Call waiting | Yes | 
| Call hold | Yes | 
| Call forwarding | Yes | 
| Anonymous call | Yes | 
| Display | 
|---|
| Touchscreen | No | 
| Display resolution | 320 x 240 pixels | 
| Display diagonal | 2.8" | 
| Display | LCD | 
| Backlight display | Yes | 
| Audio | 
|---|
| Speakerphone | Yes | 
| Microphone mute | Yes | 
| Network | 
|---|
| Ethernet LAN interface type | Gigabit Ethernet | 
| Ethernet LAN data rates | 1000 Mbit/s | 
| Wi-Fi | Yes | 
| Ethernet LAN | Yes | 
| Ports & interfaces | 
|---|
| USB 2.0 ports quantity | 2 | 
| RJ-9 ports quantity | 2 | 
| Ethernet LAN (RJ-45) ports | 2 | 
| Power | 
|---|
| Power over Ethernet (PoE) | Yes | 
| Operational conditions | 
|---|
| Storage temperature (T-T) | -30 - 70 °C | 
| Operating temperature (T-T) | -10 - 45 °C | 
| Operating relative humidity (H-H) | 5 - 90% | 
| Weight & dimensions | 
|---|
| Width | 8.85" (224.9 mm) | 
| Depth | 8.12" (206.2 mm) | 
| Height | 6.89" (174.9 mm) | 
| Packaging content | 
|---|
| Number of handles included | 1 pc(s) | 
| Quick start guide | Yes | 
| Handset | Yes | 
| Ethernet cable | Yes | 
| Stand included | Yes |