> For a complete page index, fetch https://docs.synthflow.ai/llms.txt. For full documentation content, fetch https://docs.synthflow.ai/llms-full.txt. ## New parameter: `telephony_ringing_duration` The `Get a Call` API now includes a new response parameter: `telephony_ringing_duration`. **What is it?** This parameter represents the total time (in seconds) that the call spent ringing on the telephony network before being answered or disconnected.