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Yealink deployment guide

Deploying Yealink IP Phones for Using with Skype for Business Server V9.16

Deployment and provisioning reference for the Yealink SIP-T40P: templates, parameters and rollout steps (69 pages).
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About this deployment guide

About the Deploying Yealink IP Phones for Using with Skype for Business Server V9.16

Deployment and provisioning reference for the Yealink SIP-T40P: templates, parameters and rollout steps (69 pages). This is version 9.16, last updated by Yealink on December 10, 2025, and you can read it right here or download it.

The SIP-T40P 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.

SIP-T40P is end of sale. Support options, dates and replacements

What’s inside

  1. About This Guide
  2. In This Guide
  3. Documentations
  4. Conventions Used in Yealink Documentations
  5. Summary of Changes
  6. Changes for Release 9, Guide Version 9.16
  7. Changes for Release 9, Guide Version 9.15
  8. Changes for Release 9, Guide Version 9.14
  9. Changes for Release 9, Guide Version 9.9
  10. Changes for Release 9, Guide Version 9.5
  11. Changes for Release 9, Guide Version 9.46
  12. Changes for Release 9, Guide Version 9.27
  13. Changes for Release 9, Guide Version 9.45
  14. Getting Started
  15. Available Phone Features
  16. Before You Begin
  17. Deploying Phones with Skype for Business Server
  18. Setting up the Network
  19. Provisioning Methods
  20. Manual Provisioning Methods
  21. Centralized Provisioning Methods
  22. Installing a Skype for Business Feature License
  23. Checking License Status
  24. Configuring Phones with Skype for Business Server
  25. Microsoft Exchange Integration
  26. Signing into Skype for Business
  27. PIN Authentication
  28. User Sign-in
  29. Web Sign-in
  30. Signing in via PC
  31. Signing Out of Skype for Business
  32. Configuring Boss-Admin Feature
  33. Configuring Security Features
  34. Web Server Type
  35. Phone Lock
  36. User and Administrator Passwords
  37. Uploading a Trusted Certificate
  38. Uploading a Trusted Certificate from the Provisioning Server
  39. Uploading a Trusted Certificate via Web User Interface
  40. Device and Firmware Support

Phones covered

Yealink phones this deployment guide covers

Yealink SIP-T40P
SIP-T40PEnd of Sale

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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 SIP-T40P?

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.