Description
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.
Specifications
| Features | |
|---|---|
| Handset type | Wireless handset |
| Expansion module support | Yes |
| Product colour | Grey |
| Technical details | |
| Handset type | Wireless handset |
| Speakerphone | Yes |
| Expansion module support | Yes |
| Harmonized System (HS) code | 85171800 |
| Security | |
| Security algorithms | AES, HTTPS, SRTP, TLS |
| Design | |
| Product type | IP Phone |
| Handset type | Wireless handset |
| Product colour | Grey |
| Phone features | |
| Number of VoIP accounts | 16 |
| Redialing | Yes |
| Phonebook capacity | 1000 entries |
| Conference call | Yes |
| Caller ID | Yes |
| Call waiting | Yes |
| Call hold | Yes |
| Call forwarding | Yes |
| Display | |
| Touchscreen | No |
| Display resolution | 480 x 272 pixels |
| Display diagonal | 10.9 cm (4.3″) |
| Display | LCD |
| Backlight display | Yes |
| Audio | |
| Voice codecs | AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC |
| Speakerphone | Yes |
| Network | |
| Ethernet LAN interface type | Gigabit Ethernet |
| Ethernet LAN data rates | 10,100,1000 Mbit/s |
| Wi-Fi | Yes |
| Security algorithms | AES, HTTPS, SRTP, TLS |
| Ethernet LAN | Yes |
| Bluetooth | Yes |
| Colour | |
| Product colour | Grey |
| Ports & interfaces | |
| USB 2.0 ports quantity | 2 |
| Expansion module support | Yes |
| Ethernet LAN (RJ-45) ports | 2 |
| Power | |
| Power over Ethernet (PoE) | Yes |
| 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 |
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