Voice alert using stored content

Send a voice alert using stored content. Specify alert type, content to use, sender, and recipient list to use.

{
    "version": "latest",
    "apiKey": "abcdefghijklmnopqrstuvwxyz",
    "clientRef": "abcd-efgh",
    "options": {
        "notification": "poll",
        "notificationType": "json"
    },
    "alert": [
        {
            "alertType": "call",
            "tag": "t1",
            "storedContent": "e42b1fd0-70fc-4697-b646-9f0fab7306d0",
            "sender": "+447777100100",
            "recipientList": "+447777100100"
        }
    ]
}