In Microsoft Skype for Business Server 2015, consider the following scenario:
In this situation, the Skype for Business client still rings even after the call is ended.
- User A is a Skype for Business Online user who is using on-premises PSTN connectivity via on-premises call handling (OPCH).
- User B is a PSTN caller who is calling user A.
- User B ends the call before user A answers the call.