10.2 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 (delayed call forwarding)
1 Open your dashboard.
2 Under
Reachability in the
Forwarding section, tap

.
3 Activate If no reply in the Conditional area.
4 Enter the destination in the Forward to field. You can choose between:

Selection from the contacts

Entering a phone number

Your voicemail.
5 Enter the number of seconds.

Calls are forwarded if you have not accepted them within this time.