Yealink SIP-T73W Wireless IP Desk Phone
Key Features
- Up to 12 SIP Accounts
- Wi-Fi 6 (802.11ax) | Bluetooth 5.0
- 2.8″ Color Display
- Robust Security
- 3W Speaker
- Smart Noise Filtering
- Acoustic Shield Technology
- Two Gigabit Ethernet PoE Ports
- USB-A 2.0 Port
- Desk or Wall Mountable
Description
The T73W IP phone is an all-in-one business phone that enables excellent voice communications and extended functions. Equipped with Hall switch technology, the T73W provides you with a quieter office environment. The redesigned appearance of Yealink’s new T73W makes the phone more fashionable, thinner, and more in line with modern aesthetic standards. The T73W supports 12 SIP account registrations and has a 2.8-inch color display with a backlight and an EXP55 expansion station. Combined with Yealink ‘s ultra-high-definition voice technology, the T73W provides you with excellent audio quality and clear voice communications. When making calls, the phone responds faster and more responsively. Built-in Bluetooth 5.0 module and dual-band 2.4G/5G Wi-Fi 6 modules, allowing you to keep up with the latest technology and gain an advantage in the future wireless era.
Features

A 2.8″ color display helps you manage your contacts and calls. Connect either of the two Gigabit Ethernet ports to a PoE compatible network device to transfer data and power over a single cable while using the second port as a passthrough for other devices. Or, you can use a separately purchased power adapter to take advantage of the built-in Wi-Fi 6 (802.11ax) support. The USB-A 2.0 port allows you to add a separately purchased headset and compatible expansions. You can also pair the phone with Bluetooth compatible headsets.

Define Phone, Lead Bold
The all-new fashionable design, featuring slimmer body, line keys, and touchable buttons, fits into your modern style.

HD Audio Ultra-High-Definition Sound Quality
The sound quality of Yealink T7X series phones is higher definition and perfect, making communication easier. Yealink combines cutting-edge hardware and software with broadband technology to achieve the best acoustic performance. Its hearing aid compatible (HAC) handset helps people with hearing loss hear sounds more clearly.
Three Rings of Security
Core Ring: Device Integrity |
Trusted Execution Environment, secure boot integrity verification, firmware encryption, and signature certificate ensure integrity from startup to operation.
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Shield Ring: Network Protection |
This phone features 802.1x authentication and WPA3 encryption to help protect against script input injections and cross-site attacks.
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Guard Ring: Transmission Security |
TLS 1.3, strong cipher suites, SRTP media protection, lock media, and an encrypted configuration file helps to keep your communications safe and secure.
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Easy Installation and Deployment
You can use Yealink RPS (Redirection and Provisioning Service) and Boot mechanisms to enable fast and efficient deployment. Users do not need to configure and upgrade the phone manually. They only need to power on and connect to the Internet, and the phone will be automatically deployed, saving a lot of time and cost, and achieving true “zero-touch provisioning”. In addition, Yealink T7X series IP phones all use the same firmware, which greatly simplifies management and maintenance costs and facilitates management, upgrades, and maintenance.

Wireless Data Transmission
Yealink T73W has a built-in Bluetooth 5.0 module, supports Bluetooth headsets, and can connect to mobile phones via Bluetooth for phone address book matching. At the same time, in order to adapt to the upcoming 5G Wi-Fi era, T73W has built-in dual-band Wi-Fi 6 (Dual band). 5G Wi-Fi has better anti-interference and faster speed, allowing you to be one step ahead in the busy data torrent. In addition, T73W can be used with the Yealink video conferencing soft terminal to share the content on the computer with the remote end, giving you the ultimate content-sharing experience.
Specifications
Key Specs
| Wireless |
Wi-Fi 6 (802.11ax) / Bluetooth 5.0
|
| Duplex Mode |
Full-Duplex (FDX)
|
| Active Noise Cancellation |
Yes
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Connectivity
| USB I/O |
1x USB-A 2.0
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| Ethernet I/O |
2x RJ45 Gigabit Ethernet (PoE)
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| Audio I/O |
No
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| Telephone I/O |
2x RJ9
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| NFC |
No
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| Wireless |
Wi-Fi 6 (802.11ax) / Bluetooth 5.0
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Technology
| Duplex Mode |
Full-Duplex (FDX)
|
| Voice Codecs |
G.711μ, G.711μ/a, G.711a, G.722, G.723, G.726, G.729, G.729a, G.729ab, G.729b, Internet Low Bitrate Codec (iLBC)
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| Active Noise Cancellation |
Yes
|
| Hearing Aid Compatible |
Yes
|
| Intercom Function |
Yes
|
| RF Channel Access Method |
No
|
| Session Initiation Protocol (SIP) Support |
Yes
|
| WebKit Compatible |
No
|
Microphone
| Beamforming Support |
No
|
General
| Number of Lines Supported |
8
|
Display
| Screen Size |
2.8″
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| Screen Resolution |
320 x 240
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| Screen Type |
Color
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| Touchscreen |
No
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Power
| Power Requirements |
PoE, Power Adapter
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| Input Power |
100 to 240 VAC, 50 / 60 Hz
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Physical
| Operating Conditions |
14 to 113°F / -10 to 45°C
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| Storage Conditions |
-22 to 158°F / -30 to 70°C
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| Certifications |
CE, FCC, ISO, REACH, RoHS
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| LED Indicators |
Yes
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| Lighted Keypad |
No
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| Lock Slot |
No
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| Wall Mountable |
Yes
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| Dimensions |
8.5 x 8.2 x 6.6″ / 214.8 x 209.0 x 167.5 mm
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