GSM codes for call forwarding
Call forwarding is configured by dialling universal GSM codes directly from your phone, in the Phone app (dial pad).
Replace NUMBER with the destination number in international format (e.g. +41791234567).
1. Unconditional forwarding
All incoming calls are immediately forwarded.
| Action | Code |
|---|---|
| Enable | *21*NUMBER# |
| Disable | #21# |
| Check status | *#21# |
2. Forward when busy
Forwarding only when you are already on a call.
| Action | Code |
|---|---|
| Enable | *67*NUMBER# |
| Disable | #67# |
| Check status | *#67# |
3. Forward when no answer
Forwarding after a certain number of seconds without answer (5 to 30 seconds).
| Action | Code |
|---|---|
| Enable (15 sec) | *61*NUMBER*11*15# |
| Enable (20 sec) | *61*NUMBER*11*20# |
| Enable (30 sec) | *61*NUMBER*11*30# |
| Disable | #61# |
| Check status | *#61# |
4. Forward when out of coverage / switched off
Forwarding when your phone is switched off or has no network coverage.
| Action | Code |
|---|---|
| Enable | *62*NUMBER# |
| Disable | #62# |
| Check status | *#62# |
Disable all forwarding
To cancel all call forwarding with a single command:
##002#How to use these codes
- Open the Phone app on your mobile
- Display the dial pad (numeric keys)
- Enter the full code (e.g.
*21*+41791234567#) - Press the Call key (green handset)
- A confirmation message appears if forwarding is enabled
Tip: To quickly check if forwarding is active, dial
*#21#and press Call.
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