{
    "call_id": "testcall001",
    "conversation_id": 1,
    "caller_id": 1,
    "callee_id": 2,
    "status": "ended",
    "offer": {
        "type": "offer",
        "sdp": "TEST_SDP"
    },
    "answer": null,
    "caller_candidates": [],
    "callee_candidates": [],
    "created_at": "2026-08-15T19:36:15+00:00",
    "updated_at": "2026-08-15T21:37:00+00:00"
}