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Description
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.
Yealink SIP T42U. Product type: IP Phone, Product color: Gray, Handset type: Wireless handset. Phonebook capacity: 1000 entries. Display: LCD, Display diagonal: 2.7", Display resolution: 192 x 68 pixels. Ethernet LAN interface type: Gigabit Ethernet, Supported network protocols: IPv4/IPv6, SIP v1 (RFC2543), v2 (RFC3261), UDP/TCP/DNS-SRV (RFC 3263), Security algorithms: 256-bit AES, HTTPS, TLS, WPA2, WPA3. Power consumption (typical): 2.2 W
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.
Yealink SIP T42U. Product type: IP Phone, Product color: Gray, Handset type: Wireless handset. Phonebook capacity: 1000 entries. Display: LCD, Display diagonal: 2.7", Display resolution: 192 x 68 pixels. Ethernet LAN interface type: Gigabit Ethernet, Supported network protocols: IPv4/IPv6, SIP v1 (RFC2543), v2 (RFC3261), UDP/TCP/DNS-SRV (RFC 3263), Security algorithms: 256-bit AES, HTTPS, TLS, WPA2, WPA3. Power consumption (typical): 2.2 W
| Product type | IP Phone |
| Product color | Gray |
| Handset type | Wireless handset |
| Device lock | Yes |
| Wall mountable | Yes |
| Mounting | Desk/Wall |
| Caller ID | Yes |
| Phonebook capacity | 1000 entries |
| Number of VoIP accounts | 12 |
| Call waiting | Yes |
| Distinctive ring | Yes |
| Speed dialing | Yes |
| Call hold | Yes |
| Call forwarding | Yes |
| Conference call | Yes |
| Redialing | Yes |
| Do not disturb function | Yes |
| Call park | Yes |
| Call pick up | Yes |
| Anonymous call | Yes |
| Anonymous call rejection | Yes |
| Full duplex | Yes |
| Direct call | Yes |
| Call transfer | Yes |
| Call history | Yes |
| Integrated voicemail | No |
| Number of programmable keys | 6 |
| Number of function keys | 5 |
| Display | LCD |
| Display diagonal | 2.7" |
| Display resolution | 192 x 68 pixels |
| Rear camera | Yes |
| Ethernet LAN | Yes |
| Wi-Fi | Yes |
| Bluetooth | Yes |
| Ethernet LAN interface type | Gigabit Ethernet |
| Supported network protocols | IPv4/IPv6, SIP v1 (RFC2543), v2 (RFC3261), UDP/TCP/DNS-SRV (RFC 3263) |
| Quality of Service (QoS) support | Yes |
| Security algorithms | 256-bit AES, HTTPS, TLS, WPA2, WPA3 |
| Networking standards | IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x, IEEE 802.3af |
| USB 2.0 ports quantity | 2 |
| Ethernet LAN (RJ-45) ports | 2 |
| RJ-9 ports quantity | 2 |
| Power consumption (typical) | 2.2 W |
| Operating temperature (T-T) | -10 - 50 °C |
| Operating relative humidity (H-H) | 10 - 95% |
| Width | 8.35" (212 mm) |
| Depth | 7.44" (189 mm) |
| Height | 6.89" (175 mm) |
| Package width | 24.7" (627 mm) |
| Package depth | 10.1" (256 mm) |
| Package height | 9.25" (235 mm) |
| Package weight | 138.9 lbs (63 kg) |
| Number of handles included | 1 pc(s) |
| AC adapter included | No |
Product Details
395 Items
New
Data sheet
- Product color
- Gray
- USB 2.0 ports quantity
- 2
- Ethernet LAN
- Yes
- Ethernet LAN (RJ-45) ports
- 2
- Mounting
- Desk/Wall
- Display diagonal
- 2.7"
- Display resolution
- 192 x 68 pixels
- Wi-Fi
- Yes
- Width
- 8.35" (212 mm)
- Height
- 6.89" (175 mm)
- Depth
- 7.44" (189 mm)
- Package weight
- 138.9 lbs (63 kg)
- Package width
- 24.7" (627 mm)
- Package depth
- 10.1" (256 mm)
- Package height
- 9.25" (235 mm)
- Product type
- IP Phone
- Operating temperature (T-T)
- -10 - 50 °C
- Operating relative humidity (H-H)
- 10 - 95%
- AC adapter included
- No
- Rear camera
- Yes
- Bluetooth
- Yes
- Display
- LCD
- Networking standards
- IEEE 802.11a, IEEE 802.11b, IEEE 802.11g, IEEE 802.11n, IEEE 802.1x, IEEE 802.3af
- Power consumption (typical)
- 2.2 W
- 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)
- Number of programmable buttons
- 6
- Wall mountable
- Yes
- Ethernet LAN interface type
- Gigabit Ethernet
- Quality of Service (QoS) support
- Yes
- Full duplex
- Yes
- Conference call
- Yes
- Call forwarding
- Yes
- Call hold
- Yes
- Call waiting
- Yes
- Phonebook capacity
- 1000 entries
- Call transfer
- Yes
- Speed dialing
- Yes
- Do not disturb function
- Yes
- Handset type
- Wireless handset
- Integrated voicemail
- No
- RJ-9 ports quantity
- 2
- Number of VoIP accounts
- 12
- Redialing
- Yes
- Anonymous call
- Yes
- Anonymous call rejection
- Yes
- Number of handles included
- 1 pc(s)
- Device lock
- Yes
- Caller ID
- Yes
- Call park
- Yes
- Call pick up
- Yes
- Call history
- Yes
- Direct call
- Yes
- Number of function keys
- 5
- Distinctive ring
- Yes
Specific References
- UPC
- 841885102966
- EAN13
- 6938818304826
- MPN
- 1301201
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Yealink SIP T42U, IP Phone, Gray, Wireless handset, Desk/Wall, 1000 entries, LCD