| Answer | Crossword Clue |
|---|---|
| TIELINE | Private telephone channel |
| PBX | Private telephone switchboard, for short. |
| TIELINE | Private phone channel between offices |
| Answer | Crossword Clue |
|---|---|
| TIELINE | Private telephone channel |
| PBX | Private telephone switchboard, for short. |
| TIELINE | Private phone channel between offices |
Crossword
a puzzle consisting of a grid of squares and blanks into which words crossing vertically and horizontally are written according to clues.