# Managing Phone Numbers

- [How do I book new phone numbers?](/account-management/managing-phone-numbers/how-do-i-book-new-phone-numbers.md): How to book new local, international, and test phone numbers in your sipgate account as an administrator.
- [How to assign phone numbers](/account-management/managing-phone-numbers/how-to-assign-phone-numbers.md): How to assign phone numbers to users, groups, fax, IVR, and other destinations in your sipgate account.
- [How to assign an extension number](/account-management/managing-phone-numbers/how-to-assign-an-extension-number.md): How to assign internal extension numbers to users and groups in your sipgate account, including restrictions and dialing instructions.
- [Can I list my sipgate number in the Telephone Book?](/account-management/managing-phone-numbers/can-i-list-my-sipgate-number-in-the-telephone-book.md): Whether you can list your sipgate number in the public telephone directory and how to maintain an existing entry during porting.
- [Booking Extra International Phone Numbers](/account-management/managing-phone-numbers/booking-extra-international-phone-numbers.md): How to book extra international phone numbers in your sipgate account, including important limitations and cancellation steps.
- [How can I cancel a phone number?](/account-management/managing-phone-numbers/how-can-i-cancel-a-phone-number.md): How to cancel phone numbers and plans in your sipgate account, including rescinding cancellations and account closure.
- [How can I port my phone number to other providers?](/account-management/managing-phone-numbers/how-can-i-port-my-phone-number-to-other-providers.md): How to port your sipgate phone number to another provider, including steps for fixed-line and mobile number transfers.