DoorBird Binding?

Hi Guys

When i look at the schedule using postman, its turning on Doorbird_SIP switch. For some reason though, I cannot work out where it turns on that name. The schedule shows this, but theres no reference to the switch name (Doorbird_SIP) when the doorbell is pressed.

Any idea HOW this switch is being turned on as a result of the Doorbell being pressed? The Doorbird app has only 3 favourites, non which are Doorbird_SIP

[
    {
        "input": "doorbell",
        "param": "1",
        "output": [
            {
                "enabled": "1",
                "event": "notify",
                "param": "",
                "schedule": {
                    "weekdays": [
                        {
                            "from": "50400",
                            "to": "50399"
                        }
                    ]
                }
            },
            {
                "event": "sip",
                "enabled": "1",
                "param": "0",
                "schedule": {
                    "weekdays": [
                        {
                            "from": "50400",
                            "to": "50399"
                        }
                    ]
                }
            }
        ]
    },