{
  "$schema": "https://json-schema.org/draft/2020-12/schema",
  "$id": "#/components/schemas/UserNumberItem",
  "title": "UserNumberItem",
  "type": "object",
  "required": [
    "primary"
  ],
  "properties": {
    "external": {
      "type": "string",
      "example": "+19075552859",
      "description": "Phone number of person or workspace. Either `phoneNumber` or `extension` is mandatory."
    },
    "extension": {
      "type": "string",
      "example": "8080",
      "description": "Extension of person or workspace. Either `phoneNumber` or `extension` is mandatory."
    },
    "routingPrefix": {
      "type": "string",
      "example": "1234",
      "description": "Routing prefix of location."
    },
    "esn": {
      "type": "string",
      "example": "12348080",
      "description": "Routing prefix + extension of a person or workspace."
    },
    "primary": {
      "type": "boolean",
      "example": true,
      "description": "Flag to indicate primary phone."
    },
    "tollFreeNumber": {
      "type": "boolean",
      "example": true,
      "description": "Flag to indicate toll free number."
    }
  }
}