| Id | Key | Value | Description | Remarks |
| 28 | phone.counrty-code.default | 243 | Phone number country code. Default value if country code is not specified. | |
| 29 | phone.length.max | 15 | Maximum number of digits in a phone number (including hyphens, etc.) | |
| 30 | phone.length.min | 12 | Minimum number of digits in the phone number (including hyphens, etc.) | |