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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.
| Design | |
| Product type: | IP Phone |
| Product colour: | Grey |
| Handset type: | Wireless handset |
| Phone features | |
| Caller ID: | Yes |
| Phonebook capacity: | 1000 entries |
| Number of VoIP accounts: | 16 |
| Call waiting: | Yes |
| Call hold: | Yes |
| Call forwarding: | Yes |
| Conference call: | Yes |
| Redialing: | Yes |
| Display | |
| Touchscreen: | No |
| Display: | LCD |
| Display diagonal: | 10.9 cm (4.3") |
| Display resolution: | 480 x 272 pixels |
| Backlight display: | Yes |
| Audio | |
| Speakerphone: | Yes |
| Voice codecs: | AGC, AJB, AMR-WB, CNG, G.711, G.722, G.723.1, G.726, G.729ab, VAD, iLBC |
| Network | |
| Ethernet LAN: | Yes |
| Wi-Fi: | Yes |
| Bluetooth: | Yes |
| 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: | Yes |
| 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 |
Product Safety Information
Responsible Person in the EU:
Yealink Maistrasse 2 82110 Germering Deutschland support@yealink.com
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