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Yealink SIP IP Phones Auto Provisioning Guide V1.0

Deployment and provisioning reference for the Yealink T55A Skype for Business: templates, parameters and rollout steps (70 pages).
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Newer version available: Yealink SIP IP Phones Auto Provisioning Guide V83.12

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About this deployment guide

About the SIP IP Phones Auto Provisioning Guide V1.0

Deployment and provisioning reference for the Yealink T55A Skype for Business: templates, parameters and rollout steps (70 pages). This is version 1.0, last updated by Yealink on December 10, 2025, and you can read it right here or download it.

The T55A Skype for Business has been discontinued by Yealink, but it's still widely used, and this document is still the reference for setting it up. The Tech Team™ supports end-of-life Yealink phones and can help you plan a replacement when you're ready.

T55A Skype for Business is end of life. Support options, dates and replacements

What’s inside

  1. Introduction
  2. Supported Phones
  3. Getting Started
  4. Obtaining Boot, Configuration and Resource Files
  5. Boot Files
  6. Configuration Files
  7. Resource Files
  8. Obtaining Template Files
  9. Obtaining Phone Information
  10. Provisioning Yealink IP Phones
  11. Interoperating with Provisioning Server
  12. Auto Provisioning Process
  13. Old Mechanism – Without Boot Files
  14. New Mechanism – With Boot Files
  15. Major Tasks for Auto Provisioning
  16. An Instance of Auto Provision Configuration
  17. Managing Boot Files
  18. Editing Common Boot File
  19. Creating MAC-Oriented Boot File
  20. Managing Configuration Files
  21. Editing Common CFG File
  22. Editing MAC-Oriented CFG File
  23. Creating a New CFG File
  24. Managing MAC-local CFG File
  25. Encrypting Configuration Files
  26. Managing Resource Files
  27. Customizing Resource Files
  28. Configuring a Provisioning Server
  29. Preparing a Root Directory
  30. Configuring a TFTP Server
  31. Obtaining the Provisioning Server Address
  32. Zero Touch
  33. Plug and Play (PnP) Server
  34. DHCP Options
  35. Phone Flash
  36. Configuring Wildcard of the Provisioning Server URL
  37. Triggering the IP Phone to Perform Auto Provisioning
  38. Power On
  39. Repeatedly
  40. Weekly

Phones covered

Yealink phones this deployment guide covers

Yealink T55A Skype for Business
T55A Skype for BusinessEnd of Life

Versions

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FAQ

Questions about this document

Quick answers, and The Tech Team™ is a call away if you need more.

Contact us (800) 943-7675

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.

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.