The Yealink T73U is a professional IP desk phone supported by the net2phone Canada Sync platform for everyday business calling; it features a 2.8-inch colour display, dedicated calling controls, programmable keys, and noise-filtering technology for clear and efficient call handling.
Key features
- 2.8-inch colour display – A 320 × 240-pixel backlit display provides access to call information, menus, line keys, and soft-key options.
- Programmable line keys – Programmable keys provide quick access to assigned lines and calling features.
- Noise-filtered audio – Yealink Acoustic Shield and Smart Noise Filtering help reduce surrounding background noise during calls.
- 3W speaker – Supports clear hands-free speakerphone calling.
- Headset support – Supports compatible wired, USB, and Electronic Hook Switch (EHS) headset options.
- Power over Ethernet (PoE) – Supports network connectivity and power through a compatible Ethernet connection.
- Optional expansion – Supports compatible wireless accessories and the Yealink EXP55 colour-screen expansion module.
Yealink T73U button guide
The diagram below shows the layout and primary controls of a Yealink SIP-T73U desk phone.
- Power LED Indicator – Indicates call, message, and phone system status.
- Phone Screen – Displays call information, menus, line keys, soft-key options, and phone status.
- Line Keys – Select a line, monitor calls, or access assigned calling features.
- Soft Keys – Context-sensitive buttons aligned with the available options shown on the screen.
- Feature and Page Keys – Access voicemail, activate a connected headset, mute the microphone, or switch between additional programmable key pages.
- Dial Pad – Standard 12-key keypad for dialling and character input.
- Hold Key – Place an active call on hold or resume a held call.
- Transfer Key – Transfer an active call to another user or phone number.
- Redial Key – Access previously dialled numbers and redial a recent call.
- Speakerphone Key – Enable or disable hands-free speakerphone mode.
- Reversible Tab – Secures the handset when the phone is mounted vertically.
- Speaker – Provides ringtone and speakerphone audio.
- Navigation and OK Keys – Scroll through menus and options, and confirm selections.
- Volume Keys – Adjust ringtone, handset, headset, or speakerphone volume.
Yealink EXP55 expansion module
The Yealink EXP55 expansion module adds additional programmable keys for users who require expanded call monitoring, speed dial, or feature access.
- 5.5-inch colour display
- 26 programmable keys per page with dual-colour LED indicators
- Three page views for up to 78 programmable functions
- Supports functions such as BLF, speed dial, call transfer, call park, and call pickup
- Stand with adjustable viewing angles
- Compatible with the Yealink T73U
Compatible wall mount
The Yealink WMB-T7 wall-mount bracket is compatible with the T73U and allows the desk phone to be mounted vertically on a wall.
Official resources
For full technical specifications and additional documentation, refer to the Yealink T73U product page.