11.2 Conditional forwarding
You can use this forwarding function to specify whether telephone calls are forwarded if you have left the telephone ringing for a certain period of time.
To forward calls that you do not answer (Unconditional call forwarding)
The call is always forwarded after 60 seconds, even if you have entered a value in the "After" field > 60 seconds. Forwarding under 60 seconds takes place according to the input.