You can Activate/Deactivate it from the handset by going to Settings > Call > Advance settings > Call forwarding. Please note the navigation might differ on different handsets.
| Activate | Code |
|---|---|
| Call forwarding Unconditional | *401*<10 digit="" number=""> |
| Call forwarding - no answer | *403*<10 digit="" number=""> |
| Call forwarding - busy | *405*<10 digit="" number=""> |
| Call forwarding - not reachable | *409*<10 digit="" number=""> |
| Deactivate | Code |
|---|---|
| All forwarding | *413 |
| Call forwarding Unconditional | *402 |
| Call forwarding - no answer | *404 |
| Call forwarding - busy | *406 |
| Call forwarding - not reachable | *410 |
