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Yealink SIP-T73U
CurrentYealink T7 Series

Yealink SIP-T73U

All-in-one business phone

Datasheet Firmware Get support
Brand
Yealink
Series
T7 Series
Model
SIP-T73U
Status
Current
Documents
21 manuals & files
Knowledge base
167 articles

Overview

About the Yealink SIP-T73U

.temp-page4 .row {padding-top:1rem;padding-bottom: 1.2rem;}The all-new fashionable design, featuring slimmer body, color display, and touchable buttons, fits into your modern style. Enjoy comfortable hand feel when you start to work with it!

Specifications

SIP-T73U technical specifications

Source datasheet

  • HD voice: HD handset, HD speaker
  • Hearing aid compatible (HAC) handset
  • Acoustic Shield
  • Smart Noise Filtering
  • Audio codec: AMR-WB (optional), G.722
  • Narrowband codec: AMR-NB (optional), PCMU (G.711μ), PCMA (G.711A), G.723.1, G.729, G.729A, G.729B, G.729AB, G.726, iLBC
  • DTMF: In-band, Out-of-band (RFC 2833) and SIP INFO
  • Full-duplex hands-free speakerphone with AEC
  • VAD, CNG, AEC, PLC, AJB, AGC

  • LCD screen
  • 2.8-inch 320x240 resolution screen
  • Supports wallpaper and screen saver
  • Incoming calls and unread message indicator lights
  • Intuitive user interface
  • Multilingual user interface
  • Caller ID display of name, number, and photo
  • Supports both dark and light themes

Documents

SIP-T73U manuals & downloads

Datasheets, user and admin guides, quick start guides and deployment files, downloaded directly from Yealink.

Datasheets

1

Quick Start Guides

1

Compatibility

6

Deployment

3

Other Downloads

3

Firmware

SIP-T73U firmware & release notes

Newest first. Check your phone’s current version under Menu → Status before upgrading, and update one phone before a whole office.

Knowledge base

SIP-T73U how-to articles

167 articles from Yealink’s knowledge base, grouped by topic. Articles open on support.yealink.com.
Search SIP-T73U articles
Call Features23See all 23 articles
Audio Features18See all 18 articles
Phone Customization17See all 17 articles
Directory and Call Log16See all 16 articles
Auto Provisioning Guide14See all 14 articles
Advanced Features13See all 13 articles
Security Features11See all 11 articles
Troubleshooting10See all 10 articles
General Features9See all 9 articles
Use DECT Handsets with Phone9See all 9 articles
Using DECT Handsets with Desk Phones7See all 7 articles
Maintain Phone6See all 6 articles

More topics

Account Settings 5Getting Started 4CP960 & CP965 Star Connection 1Firmware Upgrade 1Peripherals & Accessories 1Video Features (Only T58W, VP59, T58V, T88V Pro) 1

Need help with your SIP-T73U?

The Tech Team™ can provision, update and troubleshoot your Yealink phones, and move your office onto smplVoice cloud voice.

Talk to a technician (800) 943-7675

Yealink and Yealink product names are trademarks of Yealink Network Technology Co., Ltd. Product information, images and documents are published by Yealink (source) and provided here for reference by smplVoice. Firmware and documents are Yealink’s original, unmodified files.