{
  "operationId": "Read the Usage of a Routing Group",
  "method": "GET",
  "path": "/telephony/config/premisePstn/routeGroups/{routeGroupId}/usage",
  "summary": "Read the Usage of a Routing Group",
  "requestExamples": [],
  "responseExamples": [
    {
      "status": "200",
      "contentType": "application/json",
      "example": {
        "pstnConnectionCount": "1",
        "callToExtensionCount": "1",
        "dialPlanCount": "1",
        "routeListCount": "1"
      }
    }
  ]
}