> ## Documentation Index
> Fetch the complete documentation index at: https://docs.gobl.org/llms.txt
> Use this file to discover all available pages before exploring further.

# Telephone

Telephone describes what is expected for a telephone number.

## Schema ID

`https://gobl.org/draft-0/org/telephone`

## Properties

| Title  | Property | Type   | Description                                            |
| ------ | -------- | ------ | ------------------------------------------------------ |
| UUID   | `uuid`   | string | Universally Unique Identifier.                         |
| Label  | `label`  | string | Identifier for this number.                            |
| Number | `num`    | string | Free-text string that represents the telephone number. |

## Validation Rules

| Field | Test                                                                  | Validation Code / Message                                 |
| ----- | --------------------------------------------------------------------- | --------------------------------------------------------- |
| `num` | <ul class="gobl-test"><li class="gobl-test-present">Present</li></ul> | `GOBL-ORG-TELEPHONE-01`<br />Telephone number is required |