How do I book new phone numbers?

Account Administrators can purchase new phone numbers at any time in their sipgate account.
A phone number can be allocated to a User or Group.

The first UK phone number is part of your monthly sipgate plan without additional costs.

Local phone numbers

As an admin, go to Phone Numbers and click on Book to select local numbers.Next click on Book.

If you have multiple locations set up, you can choose the desired location and area code when booking local numbers. After selecting the quantity, you’ll see available numbers that you can book.To obtain and use UK numbers, you need at least one verified location in the UK. International numbers can be booked without verification.

Select the number (or number block if available) you require.Then complete the booking.

Your automatic recurring crediting limit will be increased to account for the cost of your newly booked number plan.

International Numbers

International numbers have some specific requirements. For some, we need to collect proof of address from you; if so, we will notify you via email. Additionally:

  • International numbers cannot be booked in blocks.
  • A maximum of four concurrent incoming calls is allowed.
  • International numbers cannot be used for incoming fax, SMS, or data communication.
  • If an international number is set as caller ID, calls or faxes to special numbers like 0800 may not be possible.
  • International numbers cannot be listed in public directories.
  • You cannot port (transfer) international numbers.
  • For legal reasons, we cannot guarantee that international numbers will be transmitted when calling non-European countries. Within the European Economic Area (EEA), number transmission depends on the recipient's phone provider. In some cases, your German number may be displayed instead of the international number.

For more details on current regulations, please refer to the Telecommunications Act and Decision 44/2022 of the Federal Network Agency.

Country-Specific Rules

Country Company must be in the country Same area code required
Argentina YES NO
Australia YES YES
Belgium YES YES
Brazil NO NO
Chile NO NO
Dom. Republic NO NO
Finland YES YES
Greece YES YES
Great Britain NO NO
Israel NO NO
Canada YES NO
Latvia YES NO
Lithuania NO NO
Malaysia NO NO
Mexico NO NO
New Zealand NO NO
Panama YES NO
Peru NO NO
Poland NO NO
Puerto Rico NO NO
Romania YES YES
Sweden YES NO
Switzerland YES YES
Slovakia YES YES
Czech Republic YES YES
USA NO NO
Cyprus NO NO

Test Numbers

If you want to try sipgate, you will have access to five test numbers. Read more about the UK trial numbers in the article Why are my UK trial numbers 056?
These numbers are available for 30 days and will be deactivated afterward, requiring you to book your own numbers. The test numbers can be called from all UK lines, but international calls to these numbers are not possible during the trial period. Important note: Your test numbers will be deactivated as soon as you:

  • Switch to a regular contract
  • Top up your balance
  • Cancel your contract
  • Redeem a voucher.

Cancel your number plan

If you wish to cancel a number plan, please open the Accountmanagement  Account & Bills Tariff. Here you can change oder cancel you current plans.

All cancelled plans/number plans will be set to terminate at the end of the current billing period, if you've cancelled them before the last day.


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