| 释义 |
tone dialling  noun [mass noun]A method of telephone dialling in which each digit is represented by a particular combination of tones.To set it up correctly for tone dialling you have to remove the front cover on the control panel....- If you can use tone dialling, the amount of time it takes to dial can be changed using the S11 register.
- It is possible to include both pulse and tone dialling within the same dial string.
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