Press "Forward All" on your phone
2. Enter phone number with a preceding 9, 1, area code and number (e.g. 915102223333).
3. Enter 750 to forward to voicemail.
4. You will notice the "Forward" button indicate that is is off.
5. Forwarded number will be shown on top left hand corner. If to voicemail your phone number "5102153XXX" is displayed.
6. To remove forwarding just simply press the "Forward Off" button.
Dial your full phone number (e.g. 5102153xxx).
Once you hear the voicemail greeting press the * and follow the instruction.