Answers to
frequently asked questions

You have questions regarding your telephone? Here you will find answers. Just select your product category (e.g. ISDN phones) and click on the relevant product.


Please select a product category and / or product.


How can I change the destination to an internal user?

If you want to change the destination number from an external number into an internal user you have to delete the complete external number at first. After deleting the external number you will see the softkey INT, press the softkey and enter the internal user