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3 General Use
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Press the 1-key three times to get a "1".
Press the 2-key four times to get a "2".
Press the 3-key four times to get a "3".
3.2.7 Touch Tones
Sometimes you need to dial extension numbers with the number keys when you are in a call.
Pressing numbers will result in a camera preset. In these cases, press # to enable Touch
tones. An indicator will tell that touch tones are enabled. Now you can enter your extension
number with the number keys. Finish with OK to exit Touch tones mode.