help | 5 Functions in detail | Setting call forwarding | Conditional forwarding
Conditional forwarding
With conditional forwarding, you can specify whether calls are forwarded if
*You have left the phone ringing for a certain time or
*You are on a call and your line is busy
To forward calls with a delay 
1 Tap .
*The menu opens.
2 Tap Call forwarding.
3 Tap Activate Conditional Forward.
*The activated forwarding is displayed in green.
4 Select whether you want to forward your calls
*to a contact
*to a phone number
*to your voicemail
.
5 Tap 25 seconds.
6 Set after how many seconds the incoming call should be forwarded and tap OK.
7 Call forwarding is activated. Incoming calls are then forwarded to the selected destination according to the specified time.