Telephone contact
You can reach us by telephone at any time.
Take over or transfer contract (change of contractual partner), new commercial register number, new association register number and change of contractual partner details.
Would you like to transfer or take over a mobile phone contract? No problem! The term and conditions remain unchanged. We charge a one-time fee (per contract) for the transfer. The previous contract holder must fill out the transfer form together with the new contract holder.
During the contract partner transfer, you have the following options:
Important: Switching from private to business or vice versa is only possible after the downgrade lock period has expired. Our service team will be happy to help you if you do not know the exact date.
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The transfer of telephone numbers to a new or existing contract is possible under the following conditions:
Step 1: Form for the new contract holder Fill out the form now
Step 2: Form for the previous contract holder Fill out the form now
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We are sorry that we were unable to assist you. Please feel free to use our contact channels at any time so that we can resolve your issue.
Contractual partner details may be amended under the following conditions:
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We are glad we could help!
We are sorry that we were unable to assist you. Please feel free to use our contact channels at any time so that we can resolve your issue.
In order to take over or transfer a leased telephone system and/or maintenance contract, the previous contract holder and the future contract holder must jointly complete our form. You can then send it to us via our contact form so that we can process it further.
Step 1: Fill out the form
Download form
Step 2: Send the completed form
Send form
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We are glad we could help!
We are sorry that we were unable to assist you. Please feel free to use our contact channels at any time so that we can resolve your issue.
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