| Answer | Crossword Clue |
|---|---|
| DIAL | Telephone feature of the '60s |
| callbacks | A security feature used by systems accessed by telephone, in which a remote user must log on using a previously registered phone number, to which the system then places a return call |
| ROTARYDIAL | Old telephone feature |
| DIAL | Old telephone feature |
| DIAL | Old-time telephone feature |
| AREACODEMAP | Feature in a telephone directory |
