Versatile connectivity

This VoIP phone supports multiple VoIP protocols including SIP and ICE, which allows for flexible integration into various network setups, ensuring reliable communication for businesses.

Clear display

The 2.8-inch LCD display offers a resolution of 320 x 240 pixels, making it easy to read calls, messages, and settings with backlit support for improved visibility in different lighting conditions.

Customizable options

With 40 programmable buttons and support for key expansion modules, users can tailor the SIP-T73U to suit their individual communication needs, enhancing productivity and efficiency.

High-quality audio

Featuring Yealink Optima HD voice technology, this phone ensures a crisp and clear conversation experience, with additional support for various voice codecs for optimal audio performance.

Robust security measures

Equipped with advanced security protocols such as WPA3 and TLS 1.3, the SIP-T73U safeguards sensitive communication by protecting against unauthorized access and potential cyber threats.