Yealink Opus, iLBC, AEC, Wi-Fi, LCD, LED, PnP
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 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. Dual USB Ports for Flexible Expansion Choices Bluetooth/Wi-Fi/Wireless Headset Dongles With the optional USB dongles, the T42U can be enabled of the features including Bluetooth and Wi-Fi or connecting to a compatible wireless headset.
Availability: In stock
Sound and Hear with Remarkable Clarity Efficient Deployment and Management Dual USB Ports for Flexible Expansion Choices 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 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. Dual USB Ports for Flexible Expansion Choices Bluetooth/Wi-Fi/Wireless Headset Dongles With the optional USB dongles, the T42U can be enabled of the features including Bluetooth and Wi-Fi or connecting to a compatible wireless headset.
Specifications
| Rear camera | Yes |
| Device lock | Yes |
| Handset type | Wireless handset |
| Mounting | Desk/Wall |
| Product colour | Grey |
| Product type | IP Phone |
| Wall mountable | Yes |
| Display | LCD |
| Display diagonal | 2,7 " |
| Display resolution | 192 x 68 pixels |
| Integrated voicemail | No |
| Number of function keys | 5 |
| Number of programmable keys | 6 |
| Bluetooth | Yes |
| Ethernet LAN | Yes |
| Ethernet LAN interface type | Gigabit Ethernet |
| Networking standards | IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x, IEEE 802.3af |
| Quality of Service (QoS) support | Yes |
| Security algorithms | 256-bit AES, HTTPS, TLS, WPA2, WPA3 |
| Supported network protocols | IPv4/IPv6, SIP v1 (RFC2543), v2 (RFC3261), UDP/TCP/DNS-SRV (RFC 3263) |
| Wi-Fi | Yes |
| Operating relative humidity (H-H) | 10 - 95 % |
| Operating temperature (T-T) | -10 - 50 °C |
| AC adapter included | No |
| Number of handles included | 1 pc(s) |
| Anonymous call | Yes |
| Anonymous call rejection | Yes |
| Call forwarding | Yes |
| Call history | Yes |
| Call hold | Yes |
| Call park | Yes |
| Call pick up | Yes |
| Call transfer | Yes |
| Call waiting | Yes |
| Caller ID | Yes |
| Conference call | Yes |
| Direct call | Yes |
| Distinctive ring | Yes |
| Do not disturb function | Yes |
| Full duplex | Yes |
| Number of VoIP accounts | 12 |
| Phonebook capacity | 1000 entries |
| Redialing | Yes |
| Speed dialling | Yes |
| Ethernet LAN (RJ-45) ports | 2 |
| RJ-9 ports quantity | 2 |
| USB 2.0 ports quantity | 2 |
| AC adapter input voltage | 100 - 240 V |
| AC adapter output current | 1,2 A |
| AC adapter output voltage | 5 V |
| Input frequency | 50/60 Hz |
| Power consumption (typical) | 2,2 W |
| Brand Name | Yealink |
| Warranty | 2 years |
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