Quick Reference: Obi302/Obi300
| *98 | Call voicemail, direct |
| *67 | Anonymous, one call |
| *81 | Anonymous, all calls |
| *68 | Visible, one call |
| *82 | Visible, all calls |
| *56 | Enable call waiting, all calls |
| *57 | Disable call waiting, all calls |
| *69 | Call Return |
| *72 |
### ###-#### : Define or change call forwarding (CF) number and activate it on all calls |
| *721 | Activate CF on all calls |
| *722 | Activate CF on busy |
| *723 | Activate CF on no answer |
| *724 | Activate CF on busy/no answer |
| *720 | Deactivate CF (all types) |
| Call Hold | Press and release flash hook or the hold button |
| *66 | Repeat dial on busy (First hang up, then lift receiver and dial *66) |
| *86 | Cancel repeat dialing |
| *78 | Enable do-not-disturb |
| *79 | Disable do-not-disturb |
| Start Conference Call | Flash hook or hold. Dial third party, wait for answer ... |
| Connect Third Party | Flash hook or hold. |
Quick Reference: Linksys
| *98 | Call voicemail, direct |
| *81 | Anonymous, one call |
| *67 | Anonymous, all calls |
| *82 | Visible, one call |
| *68 | Visible, all calls |
| *71 | Enable call waiting, one call |
| *56 | Enable call waiting, all calls |
| *70 | Disable call waiting, one call |
| *57 | Disable call waiting, all calls |
| *69 | Call Return |
| *72 |
### ###-#### : Define or change call forwarding (CF) number and activate it on all calls |
| *721 | Activate CF on all calls |
| *722 | Activate CF on busy |
| *723 | Activate CF on no answer |
| *724 | Activate CF on busy/no answer |
| *720 | Deactivate CF (all types) |
| Call Hold | Press and release flash hook or the hold button |
| *66 | Repeat dial on busy (First hang up, then lift receiver and dial *66) |
| *86 | Cancel repeat dialing |
| *78 | Enable do-not-disturb |
| *79 | Disable do-not-disturb |
| Start Conference Call | Flash hook or hold. Dial third party, wait for answer ... |
| Connect Third Party | Flash hook or hold. |