Voice Service Codes
These codes are dialled directly from the keypad in your Phone app. Press Call after entering the code.
Replace NUMBER with the destination number in international format (e.g. +41791234567).
1. Unconditional Call Forwarding (CFU)
All incoming calls are immediately forwarded.
| Action | Code |
|---|---|
| Activate | *21*NUMBER# |
| Deactivate | ##21# |
| Check status | *#21# |
Example: *21*41784801234#
2. Call Forwarding on Busy (CFB)
Forwarding only when you are already on a call.
| Action | Code |
|---|---|
| Activate | *67*NUMBER# |
| Deactivate | ##67# |
3. Call Forwarding on No Reply (CFNRy)
Forwarding after a certain number of seconds without answer.
| Action | Code |
|---|---|
| Activate | *61*NUMBER# |
| Deactivate | ##61# |
4. Call Forwarding on Not Reachable (CFNRc)
Forwarding when your phone is off or out of coverage.
| Action | Code |
|---|---|
| Activate | *62*NUMBER# |
| Deactivate | ##62# |
5. Call Waiting
Allows you to receive a second call during an ongoing conversation.
| Action | Code |
|---|---|
| Activate | *43# |
| Deactivate | #43# |
| Check status | *#43# |
6. Caller ID Suppression
Hides your number on outgoing calls.
| Action | Code |
|---|---|
| Activate (all calls) | *31# |
| Deactivate | #31# |
7. Call Barring
Note: These codes are partially supported. Use with caution.
| Action | Code |
|---|---|
| Block outgoing calls | *33*0000# |
| Unblock outgoing calls | #33*0000# |
| Block incoming calls | *35*0000# |
| Unblock incoming calls | #35*0000# |
| Block international calls | *331*0000# |
| Unblock international calls | #331*0000# |
| Check status | *#33# / *#35# / *#331# |
Deactivate 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)
- Type the full code (e.g.
*21*+41791234567#) - Press the Call button (green handset)
- A confirmation message will appear if the action was successful
Need help? +41 58 521 32 00 — hello@maxiconnect.ch