| Clue | Source | Date |
|---|---|---|
| Pure in tone (5,2,1,4) | ||
| Having a very pure sound | The Telegraph Cross Atlantic | 05 Aug 2024 |
| Very distinctive versifier leading a saboteur into small room | ||
| Very distinct (of sound) (5,2,1,4) | Puzzler | 30 Jan 2024 |
| Caller alas straying around sides of base is very easy to hear (5,2,1,4) | ||
| *Easy to hear | Universal | 18 Oct 2023 |
| Fully understandable | ||
| Do business like a telephone company? | ||
| Like sound without distortion | ||
| Easily heard. |