# Information on the Phone Number

## Specification of a Dummy Phone Number

Caution! |  | Due to the legal situation, members can choose whether to provide a valid phone number or a dummy phone number for a contact. The format of the dummy phone number consists of the country code and the phone number, which consists only of zeros (0). The phone numbers or dummy phone numbers must be specified in the K/V or XML order. Specifying a dummy phone number is only possible on a temporary basis. In the future, DENIC will only accept valid phone numbers, which will be checked using the completeness check. All requests sent with a dummy phone number will be rejected by DENIC. DENIC will announce the date on which only valid phone numbers will be accepted via the usual information channels. The following rules apply to the format of a dummy phone number.

- Plus (“+”)

- Country code, consisting of 1 to 3 digits

- Period (“.”)

- Telephone number consisting of 4 to 14 zero digits (“0”)

- No optional information

Examples

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Dummy expression for phone in K/V
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    Phone: +49.0000
    Phone: +43.000000

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Dummy expression for phone in XML
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    <contact:phone>+49.0000</contact:phone>
    <contact:phone>+43.000000</contact:phone>

## Request Parameters

K/V Keyword | XML Namespace and Element | Occurrence, min - max | Type / Length | Range / Value | Description | Policy
--- | --- | --- | --- | --- | --- | ---
Phone | <contact:phone>...</contact:phone> | 1 | normalizedString | Plus sign (%x2B) 0 - 9 (%x30-39) Dot (%x2E) x (%x78) | Phone number of the Contact | The EPP format is used for telephone numbers (Extensible Provisioning Protocol (EPP) Contact Mapping, Section 2.5) Plus sign(1 character) Country code (1 to 3 digits) Dot (1 character) Phone number (4 to 14 digits) Optional data Character "x", followed by the telephone extension

## Examples and exact Value Range as a RegEx

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    # Examples
    +49.69272350
    +49.6927235123
    +49.69123456x156

    # Regular expression (also see https://www.oreilly.com/library/view/regular-expressions-cookbook/9781449327453/ch04s03.html)
    ^\+[0-9]{1,3}\.[0-9]{4,14}(?:x.+)?

- Telephone numbers that are not dummy values are displayed in the Contact INFO request.

- For Contact CREATE and Contact UPDATE requests, a phone number or dummy phone number is mandatory.

- Domain requests that result in a change of a domain owner handle will fail if a contact without a phone number is used. For multi-holder domains, this requirement applies to all domain owners.

## Error Message K/V and XML

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    ERROR: 63200042402 Keyword "Phone" must appear once and just once

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    <tr:message level="error" code="63200042402">
        <tr:text>Keyword "Phone" must appear once and just once</tr:text>
    </tr:message>