| Name | Type | Description | Notes |
|---|---|---|---|
| _id | NSNumber* | ID of the extension. This is the internal Phone.com ID, not the extension number callers may dial. | [optional] |
| name | NSString* | User-supplied name for the extension. On POST, leaving this empty will result in an auto-generated value. On PUT, this field is required. | [optional] |
| extension | NSNumber* | Extension number that callers may dial. On POST, leaving this empty will result in an auto-generated value. On PUT, this field is required. | [optional] |