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Reference: ST3450857SS
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ST3450857SS _ RFB
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Description
Boost Productivity with New-Gen Design
The new Yealink T4U series offers a modern and elegant appearance, along with improvements for greater interoperability and better collaboration.
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
The 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.
The new Yealink T4U series offers a modern and elegant appearance, along with improvements for greater interoperability and better collaboration.
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
The 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
Audio
| Microphone mute | Yes |
| Speakerphone | Yes |
Design
| Product colour | Grey |
| Product type | IP Phone |
| Wall mountable | Yes |
Display
| Backlight display | Yes |
| Display | LCD |
| Display diagonal | 2.8 " |
| Display resolution | 320 x 240 pixels |
| Touchscreen | No |
Network
| Ethernet LAN | Yes |
| Ethernet LAN data rates | 1000 Mbit/s |
| Ethernet LAN interface type | Gigabit Ethernet |
| Wi-Fi | Yes |
Operational conditions
| Operating relative humidity (H-H) | 5 - 90 % |
| Operating temperature (T-T) | -10 - 45 °C |
| Storage temperature (T-T) | -30 - 70 °C |
Packaging content
| Ethernet cable | Yes |
| Handset | Yes |
| Number of handles included | 1 pc(s) |
| Quick start guide | Yes |
| Stand included | Yes |
Phone features
| Anonymous call | Yes |
| Call forwarding | Yes |
| Call hold | Yes |
| Call waiting | Yes |
| Caller ID | Yes |
| Conference call | Yes |
| Direct call | Yes |
| Full duplex | Yes |
| Lines quantity | 8 lines |
| Number of VoIP accounts | 12 |
| Phonebook capacity | 1000 entries |
| SIP registrar server | Yes |
Ports & interfaces
| Ethernet LAN (RJ-45) ports | 2 |
| RJ-9 ports quantity | 2 |
| USB 2.0 ports quantity | 2 |
Power
| Power over Ethernet (PoE) | Yes |
Vendor information
| Brand Name | Yealink |
| Warranty | 1 |
Product Details
125 Items
New
Data sheet
- Speakerphone
- Yes
- Stand included
- Yes
- Conference call
- Yes
- Call hold
- Yes
- Call waiting
- Yes
- Handset
- Yes
- Number of VoIP accounts
- 12
- Anonymous call
- Yes
- SIP registrar server
- Yes
- an der Wand montierbar
- Yes
- Ethernet-LAN-Datenraten
- 1000 Mbit/s
- Stromversorgung über Ethernet (PoE)
- Yes
- Ethernet-LAN-Anschlüsse (RJ-45)
- 2
- Produktart
- IP Phone
- Schnellstartanleitung
- Yes
- Anzahl der USB 2.0-Anschlüsse
- 2
- Display mit Hintergrundbeleuchtung
- Yes
- Wi-Fi
- Yes
- Anzeige
- LCD
- Ethernet-LAN
- Yes
- Vollduplex
- Yes
- Berührungssensitiver Bildschirm
- No
- Bildschirmauflösung
- 320 x 240 Pixel
- Diagonale anzeigen
- 2.8 "
- Brand Name
- Yealink
- Warranty
- 1
- Betriebstemperatur (TT)
- -10 - 45 °C
- Lagertemperatur (TT)
- -30 - 70 °C
- Relative Luftfeuchtigkeit im Betrieb (HH)
- 5 - 90 %
- Produktfarbe
- Grey
- Ethernet-LAN-Schnittstellentyp
- Gigabit Ethernet
- Anzahl der Griffe enthalten
- 1 Stück(e)
- Anruferidentifikation
- Yes
- Anrufweiterleitung
- Yes
- Anzahl Zeilen
- 8 Zeilen
- Telefonbuchkapazität
- 1000 Eintragungen
- Anzahl der RJ-9-Anschlüsse
- 2
- Mikrofon stumm
- Yes
- Ethernet Kabel
- Yes
- Direktwahl
- Yes
Specific References
- EAN13
- 5715328078086
- MPN
- SIP-T44U
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