
Yealink T55A Skype for Business
End of Life. See the EOL notice and replacement options- Brand
- Yealink
- Series
- T5 Series
- Model
- T55A Skype for Business
- Status
- End of Life
- Documents
- 11 manuals & files
- Knowledge base
- 0 articles
End of Life · still supported
We still support the Yealink T55A Skype for Business
Yealink has stopped supporting the T55A Skype for Business, but plenty are still in use. The Tech Team™ keeps them working, and helps you move on only when it makes sense.
Setup & provisioning
Add, reset or re-provision T55A Skype for Business phones on your system, including new accounts and line keys.
Firmware & security
Install the last firmware Yealink released for the T55A Skype for Business and lock down its settings.
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 optionsOverview
About the Yealink T55A Skype for Business
The Yealink T55A Skype for Business is part of Yealink’s T5 Series. This page collects its official documentation, firmware and how-to articles in one place.
Documents
T55A Skype for Business manuals & downloads
Deployment
4- Deploying Yealink IP Phones for Using with Skype for Business Server V9.16PDFDec 10, 2025
- Yealink Skype for Business HD IP Phones Auto Provisioning Guide V9.11PDFDec 10, 2025
- Yealink SIP IP Phones Auto Provisioning Guide V1.0PDFDec 10, 2025
- Yealink SIP Phones AutoProvisioning Template V85.5ZIPDec 10, 2025
Need help with your T55A Skype for Business?
The Tech Team™ can provision, update and troubleshoot your Yealink phones, and move your office onto smplVoice cloud voice.
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.









