{
"account_sid": "xxxx",
"auth_token": "xxxx",
"number": "+10000000000",
"api_port": 3000,
"channel": "#foo",
"contacts": {
"guy1": "+11111111111",
"guy2": "+12222222222"
},
"limit": {
"enable": true,
"period": 900,
"max": 5
}