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Yealink MP54&T55A Skype for Business Edition User Guide V9.17

Yealink's user guide for the Yealink MP54 Skype for Business, covering everyday calling, contacts, voicemail and phone settings (97 pages).

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About this user guide

About the MP54&T55A Skype for Business Edition User Guide V9.17

Yealink's user guide for the Yealink MP54 Skype for Business, covering everyday calling, contacts, voicemail and phone settings (97 pages). This is version 9.17, last updated by Yealink on October 21, 2025, and you can read it right here or download it.

The MP54 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.

MP54 Skype for Business is end of life. Support options, dates and replacements

What’s inside

  1. About This Guide
  2. Related Documentations
  3. Getting Started
  4. T55A Hardware
  5. MP54 Hardware
  6. Overview of Phone Screens
  7. Idle Screen
  8. Dialing Screen
  9. Favorites Screen
  10. History Screen
  11. Contacts Screen
  12. Calls Screen
  13. Icon Introductions
  14. Icons in the Status Bar
  15. Icons in the Main Window
  16. LED Instructions
  17. Power Indicator LED
  18. Entering Data and Editing Fields
  19. Using the Onscreen Keyboard
  20. Using the Onscreen Dial Pad
  21. Using the Phone Keypad
  22. Signing into and Locking Your Phone
  23. Multi-Factor Authentication (MFA)
  24. Binding Online Account with Your Mobile Phone Number
  25. Passing Multi-Factor Authentication
  26. Signing into Your Phone
  27. Sign in Using Your Skype for Business User Credentials
  28. Sign in Using BToE
  29. Sign in Using Your PIN Authentication Credentials
  30. Sign in Using Web
  31. Signing out of the Phone
  32. Using a Common Area Phone (CAP)
  33. Setting a Common Area Phone
  34. Signing into a Common Area Phone
  35. Signing out of the Common Area Phone
  36. Using Hot Desking Feature
  37. Sign in as a Guest User
  38. Signing out of the Guest User
  39. Disabling Hot Desking
  40. Phone Lock

Phones covered

Yealink phones this user guide covers

FAQ

Questions about this document

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

Need help with your MP54 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.