# Sessions

A session represents a single interaction between a user and the Sinch Voice API. Sessions can be used to track the state of a call, including its duration, participants, and any associated metadata.

## Get a session details by the session ID

 - [GET /v2/projects/{projectId}/sessions/{sessionId}](https://developers.sinch.com/docs/voice-2.0/api-reference/voice/sessions/getsessionbyid.md): Retrieve detailed information about a specific session, including all associated calls and their current states.  Sessions represent the complete interaction lifecycle and can contain multiple related calls.