# CallReference ## Properties Name | Type | Description | Notes ------------ | ------------- | ------------- | ------------- **id** | Option<**String**> | Gong's unique numeric identifier for the call (up to 20 digits). | [optional] **status** | Option<**String**> | Call status | [optional] **external_systems** | Option<[**Vec**](ExternalSystem.md)> | A list of links to external systems such as CRM, Telephony System, Case Management, etc. | [optional] [[Back to Model list]](../README.md#documentation-for-models) [[Back to API list]](../README.md#documentation-for-api-endpoints) [[Back to README]](../README.md)