GE 29568 - Manual (Page 17)

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Adding a Pause to the Dialing Sequence
Use the REDIAL/PAUSE button to insert a delay in the dialing
sequence when storing a number, for example, when you
need to dial  to get an outside line.
Press REDIAL/PAUSE at the point in the dialing sequence in
which a pause is required.
The pause time is approximately four seconds, if additional
time is needed, press the REDIAL/PAUSE button again.
Changing a Stored Number
Change a stored number by replacing it with a different
number.
Dialing a Number from Memory
You can dial numbers from memory when using the handset
or speakerphone. When you get a dial tone, press the MEM
button followed by the memory location (0-) for the number
you want to dial.
Dialing the Emergency Quick Dial Numbers
If you have previously programmed your Emergency Quick
Dial numbers, you only need to press the button after you
get a dial tone.