Select the phone number you want to use for outgoing calls.
Then click on "
"
Next
Now select the phone number under which the new telephone is to be reached (usually the same phone number as the outgoing number).
Then click on "
"
Next
The user name should have at least 8 characters.
AVM changed the password rules. Now it has to be more safe. And it is no longer important how long it is, but i should have a combi
,
and
as usual. (Tested on a Fritzbox 7590 - FW Version 07.12)
nation of lower and upper case letters numbers
special characters
Older Entry from 2018: The password must have exactly 8 characters, no more and no less.)
You should only allow registration from the Internet if you really need it. This is not necessary for an IP phone behind the Fritz Box
and should therefore remain deactivated for security reasons.
