It seems like you missed the difference between a line configuration and the
configuration of the programable buttons. In first they are not related to
each other in any way.
So configure your seven lines on the web pages and then you can configure your
25 buttons. There is (currently) no way to
I have a SNOM 220 with a 20-button sidecar.
The configuration for the five lines (buttons) on the main phone is
straigth forward: display name, account, password, registrar.
I would like to get each of the sidecar buttons to register with
Asterisk in "Line" mode so that I can have incoming calls
