On August 2, 2019 Microsoft officially announced the end of life for Skype for Business.
The end of life program will conclude on July 31, 2021. When the program concludes, the integration of Skype for Business with third-party audio conferencing providers will stop working and the following changes will be observed on that date (July 31, 2021):
- Participants who attempt to join any Skype for Business meeting via dial-in numbers provided by a third-party ACP service will no longer be connected to the Skype for Business meeting.
- Users enabled for a third-party ACP service will no longer have their dial-in information automatically included in any new Skype for Business meeting invites.