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Yealink user guide

Yealink MP58&MP58-WH&MP56&T58A&T56A Skype for Business Edition User Guide V9.17

Yealink's user guide for the Yealink SIP-T56A and SIP-T58A, covering everyday calling, contacts, voicemail and phone settings (100 pages).

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About this user guide

About the MP58&MP58-WH&MP56&T58A&T56A Skype for Business Edition User Guide V9.17

Yealink's user guide for the Yealink SIP-T56A and SIP-T58A, covering everyday calling, contacts, voicemail and phone settings (100 pages). This is version 9.17, last updated by Yealink on October 21, 2025, and you can read it right here or download it.

These phones have been discontinued by Yealink, but they're still widely used, and this document is still the reference for setting them up. The Tech Team™ supports end-of-life Yealink phones and can help you plan a replacement when you're ready.

SIP-T56A is end of life. Support options, dates and replacements

What’s inside

  1. About This Guide
  2. Related Documentations
  3. Getting Started
  4. T58A and T56A Hardwares
  5. MP56 Hardware
  6. MP58/MP58-WH Hardware
  7. BTH58 Hardware
  8. Overview of Phone Screens
  9. Favorites Screen
  10. History Screen
  11. Contacts Screen
  12. Menu Screen
  13. Icon Introductions
  14. Icons in the Status Bar
  15. Icons in the Main Window
  16. LED Instructions
  17. Power Indicator LED of the phone
  18. Power LED Indicator of the BTH58
  19. Entering Data and Editing Fields
  20. Using the Onscreen Keyboard
  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 SIP-T56A?

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.