Assign and sort telephone number

You can manage your own telephone numbers in the TU Dresden self-service portal: https://selfservice.tu-dresden.de/services/telephone/telephone-numbers/
 
Explanatory screenshot to the previous description
Self-Service Portal set up own phone numbers

Sort phone numbers

If it is necessary to change the primary number, it can be done via the "Actions" section.
Explanatory screenshot to the previous description
Self-Service Portal sort own phone numbers

Assign phone number

If you use several telephone numbers, you can assign them to your account via "Assign telephone number".
Explanatory screenshot to the previous description
Self-Service Portal assign own phone numbers
Enter your already assigned number you'd like to add and "Save" it.
 
Explanatory screenshot to the previous description
Self-Service Portal assign own available phone numbers


You can then manage the phone numbers and their display, see FAQ article: Manage the display of your assigned telephone numbers  
 

Change phone number

If you want to change the phone number, you must delete the previous one and create a new one.