Most often the default in the phone settings pulse mode. It can be distinguished from tonal characteristic cod. In tone mode dial tone is heard individually. But if you use auto you need to press different combinations of numbers, which is impossible in this mode. In order to briefly activate a tone dialing mode, press "*", then the desired key. But the next time you call tone mode will be disabled.
To translate pulse dialing of digits in tone, you need to read the instructions specific phone. In phones Siemens Gigaset tone mode is enabled when using the following combination: press the call key, then call the function by typing "10". Click on the + 1 button (tone mode).
The phone VoxteL, to use tone mode, press the button "programming", then the key combination "*-2-2". After the beep, press the "*" and the button "programming". Also, the DECT phones on the basis there is a button to switch the pulse mode to tone.
Modern phones Panasonic tone mode is enabled on the database side. Just move the slider to "TONE" (tone mode dialing digits). In older models, go to phone menu, select "Programming challenges" and select the "Tone mode set keys. Note that there are exceptions in the phone settings. If you do not find the item, read the instructions.