Nokia 300 - Forward Calls to Your Voicemail or Another Phone Number

Forward calls to your voicemail or another phone number
Your phone is ringing, but you can't answer? Let the call go to your
voicemail, or forward it to another number. Call forwarding is a
network service.
1. Select Menu > Settings > Call > Call divert.
2. Select when to forward the incoming voice calls:
All voice calls — Forward all calls.
If busy — Forward when busy.
If not answered — Forward when not answered.
If out of reach — Forward when the phone is switched off or out of
network coverage for a certain length of time.
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