What SIP action is taken when a user wants to leave a conference?

When a user wants to leave a conference, the appropriate SIP action is to "Terminate." This action signifies that the user is formally ending their session in the conference call. In SIP (Session Initiation Protocol), "Terminate" is the command used to disconnect a session and release resources allocated for that session.

Other terms commonly used in telecommunications may suggest similar actions, such as "Exit," "Disconnect," or "Leave," but they are not specifically defined actions in the SIP framework for ending a session. "Terminate" directly correlates with the SIP method for signaling that a participant is no longer part of the call, ensuring a clear and standardized way to manage participant sessions in a conference call context. This standardization is crucial for interoperability among different SIP implementations and devices.