RELATED IDEAS
Add a feature that enables DND to turn on while the user is in an active call.
Having a feature that enables DND to turn on while the user is in an active call avoids having an incoming call ringing away while waiting for you to interrupt your current call to answer. The feature is available for video call already but just not voice calls.
This could be solved with the Presence Hub App. It is a commercial App but if you want to sync presence status with Microsoft Teams anyway it could be interesting for you: Check it here: https://www.ringcentral.com/apps/presence-hub