Feature Codes
In a PBX (Private Branch Exchange) system, feature codes are special sequences of numbers (sometimes with symbols like * or #) that users can dial to access specific calling features or system functions.
Common Uses of Feature Codes
Feature codes allow users to:
- Enable/disable call forwarding
- Access voicemail
- Park or retrieve a call
- Pick up another extension’s ringing call
- Block caller ID
- Set Do Not Disturb
- Initiate call recording
Asterisk PBX Feature Codes
| Feature | Default Code | Description |
| Voicemail (User’s Own Box) | *97 | Accesses voicemail for the extension you're calling from |
| Voicemail (Any Mailbox) | *98 | Prompts for mailbox number and PIN |
| Call Forward All Activate | *72 | Forwards all calls to another number |
| Call Forward All Deactivate | *73 | Cancels all call forwarding |
| Call Forward Busy Activate | *90 | Forwards calls when line is busy |
| Call Forward Busy Deactivate | *91 | Cancels call forward on busy |
| Call Forward No Answer Activate | *52 | Forwards calls if not answered |
| Call Forward No Answer Deactivate | *53 | Cancels forward on no answer |
| Call Pickup (any ringing) | *8 | Picks up any ringing extension in the same pickup group |
| Directed Call Pickup | **<ext> | Picks up a specific ringing extension |
| Call Parking | *70 | Parks the call into an available parking slot |
| Call Park Retrieve | 70 (or 71, 72, etc.) | Retrieves a parked call from that slot |
| Do Not Disturb (DND) On | *78 | Activates DND |
| Do Not Disturb (DND) Off | *79 | Deactivates DND |
| Call Recording Toggle | *1 | Starts or stops call recording during a call |
| Intercom Prefix | *80<ext> | Initiates an intercom call to an extension |
| Echo Test | *43 | Runs a voice echo test (for diagnosing audio issues) |
You can also edit default codes by clicking on the pencil icon on each row:
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