What are vertical service or short codes for?
A vertical service code is a special code dialled to a telephone number which provides special phone features.
Vertical service announcement code is a special feature that allows the user to listen to a record on the line before the call is connected when the user enters the code.
The star code is activated by * code and the phone is off-hook.
Changing service codes
- Log in to the Phone Adapter Configuration Utility and choose Voice > Regional.
- The Regional page opens
- Change the default code(s) to a new desired code.
- Click the Submit button to save changes
Default Vertical Service Activation Codes (Short Codes)
| Default Star Code | Field/Feature | Description of Star Code Feature |
| *69 | Call Return Code | This code calls the last caller. |
| *07 | Call Redial Code | Redials the last number called. (Not in pap2t) |
| *98 | Blind Transfer Code | Begins a blind transfer of the current call to the extension specified after the activation code. |
| *66 | Call Back Act Code | Starts a callback when the last outbound call is not busy. |
| *86 | Call Back Deact Code | Cancels a callback. |
| *05 | Call Back Busy Act Code | Starts a callback when the last outbound call is busy. (Not in pap2t) |
| *72 | Cfwd All Act Code | Forwards all calls to the extension specified after the activation code. |
| *73 | Cfwd All Deact Code | Cancels call forwarding of all calls. |
| *90 | Cfwd Busy Act Code | Forwards busy calls to the extension specified after the activation code. |
| *91 | Cfwd Busy Deact Code | Cancels call forwarding of busy calls. |
| *92 | Cfwd No Ans Act Code | Forwards no-answer calls to the extension specified after the activation code. |
| *93 | Cfwd No Ans Deact Code | Cancels call forwarding of no-answer calls. |
| *63 | Cfwd Last Act Code | Forwards the last inbound or outbound calls to the extension specified after the activation code. |
| *83 | Cfwd Last Deact Code | Cancels call forwarding of the last inbound or outbound calls. |
| *60 | Block Last Act Code | Blocks the last inbound call. |
| *80 | Block Last Deact Code | Cancels blocking of the last inbound call. |
| *64 | Accept Last Act Code | Accepts the last outbound call. It lets the call ring through when do not disturb or call forwarding of all calls are enabled. |
| *84 | Accept Last Deact Code | Cancels the code to accept the last outbound call. |
| *56 | CW Act Code | Enables call waiting on all calls. |
| *57 | CW Deact Code | Disables call waiting on all calls. |
| *71 | CW Per Call Act Code | Enables call waiting for the next call. |
| *70 | CW Per Call Deact Code | Disables call waiting for the next call. |
| *67 | Block CID Act Code | Blocks caller ID on all outbound calls. |
| *68 | Block CID Deact Code | Removes caller ID blocking on all outbound calls. |
| *81 | Block CID Per Call Act Code | Blocks caller ID on the next outbound call. |
| *82 | Block CID Per Call Deact Code | Removes caller ID blocking on the next inbound call. |
| *77 | Block ANC Act Code | Blocks all anonymous calls. |
| *87 | Block ANC Deact Code | Removes blocking of all anonymous calls. |
| *78 | DND Act Code | Enables the do not disturb feature. |
| *79 | DND Deact Code | Disables the do not disturb feature. |
| *65 | CID Act Code | Enables caller ID generation. |
| *85 | CID Deact Code | Disables caller ID generation. |
| *25 | CWCID Act Code | Enables call waiting, caller ID generation. |
| *45 | CWCID Deact Code | Disables call waiting, caller ID generation. |
| *26 | Dist Ring Act Code | Enables the distinctive ringing feature. |
| *46 | Dist Ring Deact Code | Disables the distinctive ringing feature. The default is *46. |
| *74 | Speed Dial Act Code | Assigns a speed dial number. |
| *16 | Secure All Call Act Code | Makes all outbound calls secure. |
| *17 | Secure No-Call Act Code | Makes all outbound calls not secure. |
| *18 | Secure One Call Act Code | Makes the next outbound call secure. (It is redundant if all outbound calls are secure by default.) |
| *19 | Secure One Call Deact Code | Makes the next outbound call not secure. (It is redundant if all outbound calls are not secure by default.) |
| * | Conference Act Code | If this code is specified, the user must enter it before dialling the third party for a conference call. |
| * | Attn-Xfer Act Code | If the code is specified, the user must enter it before dialling the third party for a call transfer. |
| *99 | Modem Line Toggle Code | Toggles the line to a modem. Modem pass-through mode can be triggered only by pre-dialling this code. |
| *99 | FAX Line Toggle Code | Toggles the line to a fax machine. (Not in pap2t) |