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Yealink EOL notice

Yealink T55A Teams Audio Phone end of life

The T55A Teams Audio Phone is end of life. Here are Yealink’s official dates, what that means for your office, and what to replace it with.
Plan my upgrade T55A Teams Audio Phone manuals & firmware
Yealink T55A Teams Audio Phone
Status
End of Life
End of sale
Not published
End of life
Not published

End of Life · still supported

We still support the Yealink T55A Teams Audio Phone

Yealink has stopped supporting the T55A Teams Audio Phone, but plenty are still in use. The Tech Team™ keeps them working, and helps you move on only when it makes sense.

Get T55A Teams Audio Phone support (800) 943-7675

Setup & provisioning

Add, reset or re-provision T55A Teams Audio Phone phones on your system, including new accounts and line keys.

Firmware & security

Install the last firmware Yealink released for the T55A Teams Audio Phone and lock down its settings.

Latest firmware

Troubleshooting

Registration failures, one-way audio, dropped calls, boot loops and factory resets.

Replace when you're ready

Matched to a current Yealink model and set up with your extensions and buttons.

Replacement options

What it means

What end of life means for your T55A Teams Audio Phone

No longer sold

Yealink stopped selling the T55A Teams Audio Phone. New units and spares get harder to source.

No more updates

No new firmware or security patches. Vulnerabilities found from now on stay unfixed.

No warranty or repairs

Warranty replacement and Yealink technical support end at end of life, so a failed phone has to be replaced.

It still works, for now

The phone keeps making calls, but provider, TLS and codec changes can break it without warning.

Last firmware published: T55A Teams Audio Phone 58.15.0.168 - Firmware & Release Note (November 3, 2025)

Recommended replacement

Replace the T55A Teams Audio Phone with

The closest current Yealink model in the same class. The Tech Team™ can help you set up replacements and move your users over.
Yealink MP54 E2 Teams
MP Series (Teams / Zoom)

MP54 E2 Teams

Entry-level Microsoft Teams Phone for General Office and Front Desks

Support & downloads
  • Current firmware and security updates
  • Warranty and Yealink support coverage
  • Newer codecs, Wi-Fi and Bluetooth on most models
  • Setup and provisioning by The Tech Team™

Need help with your T55A Teams Audio Phone?

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 and provided here for reference by smplVoice. Firmware and documents are Yealink’s original, unmodified files.