Presence between RingCentral App and RC Embedded App in MS Teams should sync as expected. Wants to use also 3rd party app for Calling in RC for Salesforce,

Available Presence Sync features reference:
https://support.ringcentral.com/article-v2/Navigating-presence-sync-as-an-admin-in-Microsoft-Teams.html?brand=RingCentral&product=RingEX&language=en_US#GUID-fc957152-15ba-48ab-800c-e92581c61a6c-en_us