> For the complete documentation index, see [llms.txt](https://help.sipgate.de/llms.txt). Markdown versions of documentation pages are available by appending `.md` to page URLs; this page is available as [Markdown](https://help.sipgate.de/cloud-telefonanlage/en/account-management/rufnummern-verwalten/wie-buche-ich-rufnummern.md).

# How do I book phone numbers?

Instructions for booking German landline, mobile, and international phone numbers with sipgate, including test numbers and verification.

At sipgate, you have the option **German local** and **mobile numbers** as well as **international phone numbers** and **extensions** to book. Here's how it works:

#### German local and mobile numbers

As an admin, you can in the account under the navigation item **Phone numbers** via the button **Book** select local and mobile numbers.

![](https://4045603198-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fg0qj71PeONPljdPedXLf%2Fuploads%2Fgit-blob-0898bfdfd9b7b106f0902981fd0b3470598fc2a0%2Fmceclip0.png?alt=media)

If you have created multiple locations, when booking local numbers you can choose the desired location and thus the desired area code.

![](https://4045603198-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fg0qj71PeONPljdPedXLf%2Fuploads%2Fgit-blob-0576e359202124bb22174662f9ca0ad1084909ab%2Fmceclip1.png?alt=media)

After you have **number of phone numbers** selected, the available phone numbers are displayed, which you can then book.

![](https://4045603198-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2Fg0qj71PeONPljdPedXLf%2Fuploads%2Fgit-blob-81b48fa521303f6a52177e60f74811a61c1e1360%2Fmceclip2.png?alt=media)

To be able to receive and use German phone numbers, you need at least one location in Germany, which you must verify. International phone numbers can be booked without verification.

#### International phone numbers

With international phone numbers, you enable customers to make a local call from abroad.

1. **Select country**: Select the desired country and the appropriate **area code range**.
2. **Check verification documents**: Upload the required **proof of address** documents (varies by country).
3. **Enter company data**: Enter your **data in the selected country** .
4. **Select or create location**: Choose an existing or new **location in the destination country**.
5. **Use phone number**: After successful verification, the number appears in the account and can be **Routing** integrated.

{% hint style="info" %}
**Note**

* In many countries, a valid address is sufficient as proof.
* Phone numbers are usually **available after a few minutes** available; with additional documents **after approval**.
  {% endhint %}

Additionally, the following applies:

* You cannot book international numbers in blocks.
* A maximum of four simultaneous incoming calls is possible.
* International numbers cannot be used for incoming fax, SMS, or data communications.
* If an international number is set as the caller ID, calls or faxes to special numbers such as 0800 are sometimes not possible.
* International numbers cannot be listed in public directories.
* You cannot port international numbers.
* For legal reasons, we cannot guarantee that when making a call to a non-European country, the international number will be transmitted. Within the European Economic Area (EEA), whether your number is transmitted depends on the other party's telephone company. In individual cases, it may therefore happen that your German number is displayed instead of the international number.

Further information on the current legal situation can be found in the [Telecommunications Act](https://www.gesetze-im-internet.de/tkg_2021/__120.html) as well as in the [Federal Network Agency's Directive 44/2022 on the Telecommunications Act](https://www.bundesnetzagentur.de/SharedDocs/Downloads/DE/Sachgebiete/Telekommunikation/Verbraucher/Rufnummernmissbrauch/Amtsblattverfuegungen/Vfg10_2022.pdf?__blob=publicationFile\&v=3).

#### Test numbers

If you want to test sipgate, during the trial phase you have **five test numbers** with the Düsseldorf area code 0211 at your free disposal. These numbers are **usable for 30 days** and then automatically expire, so by then at the latest you must book your own phone numbers. The test numbers can be reached from all German landlines. However, from abroad you cannot be called on these numbers during the trial phase.

{% hint style="warning" %}
**Important note:** your **Test numbers are removed**, as soon as you in your account

* switch to the **regular contract** switch
* Your **top up credit**
* your **cancel your contract**
* or for a **redeem voucher**
  {% endhint %}

Update from September 03, 2025


---

# Agent Instructions
This documentation is published with GitBook. GitBook is the documentation platform designed so that both humans and AI agents can read, navigate, and reason over technical content effectively. Learn more at gitbook.com.

## Querying This Documentation
If you need additional information that is not directly available in this page, you can query the documentation dynamically by asking a question.

Perform an HTTP GET request on the current page URL with the `ask` query parameter, and the optional `goal` query parameter:

```
GET https://help.sipgate.de/cloud-telefonanlage/en/account-management/rufnummern-verwalten/wie-buche-ich-rufnummern.md?ask=<question>&goal=<endgoal>
```

`ask` is the immediate question: it should be specific, self-contained, and written in natural language.
`goal` is optional and describes the broader end goal you are ultimately trying to accomplish on behalf of the user. GitBook uses it to tailor the answer towards what is most useful for that goal.

The response will contain a direct answer to the question and relevant excerpts and sources from the documentation.

Use this mechanism when the answer is not explicitly present in the current page, you need clarification or additional context, or you want to retrieve related documentation sections.