Send Call Duration to Firmware

Flutter Example:

/// Event number for sending call duration to firmware after call connection is established
setNoticeCallTime(
  evtBase: _VBusEvtBase.base_app_set,
  evtType: _VBusEvtType.app_set_notice_call_time),

/// Send call duration to firmware after call connection is established
libManager.send(evt: CmdEvtType.setNoticeCallTime, json: jsonEncode(json));

JSON fields sent by the app:

Example:

{
    "sec": 30
}

JSON fields received by the app:

Example:

{
    "status_code": 0
}