| Answer | Crossword Clue |
|---|---|
| GHI | Telephonic 4 |
| PRS | Telephonic trio |
| DIRECTLINE | Telephonic convenience |
| MNO | Telephonic trio |
| NINE | Telephonic WXY |
| STU | Telephonic trio |
| OPER | Telephonic abbr. |
| FAX | Telephonic transmission |
| HELLO | Telephonic word. |
| GHI | Telephonic trio |
| ABC | Telephonic trio |
| REDIAL | Telephonic timesaver |
| DEF | Telephonic 3 |
| JKL | Telephonic trio |
| DEF | Telephonic trio |
| MNO | Telephonic 6 |
| MNO | Telephonic 6 trigram |
| TONE | Telephonic pulse successor |
| PRS | Telephonic trio, traditionally |
| DIMES | Items in telephonic communications. |
| DEF | Telephonic trio on 3 |
