hangupCall method
Hang up an active realtime call (SIP or WebRTC).
POST /v1/realtime/calls/{call_id}/hangup
Implementation
Future<void> hangupCall({required String callId}) async {
final res = await postJson('/realtime/calls/$callId/hangup', const {});
if (res.statusCode != 200) {
throw OpenAIRequestException.fromHttpResponse(res);
}
}