Edial; In Use Indicator - GE 27906 Guia Del Usuario

Redial
Press the redial button to quickly dial the last number
you called (up to  digits).
If you get a busy signal, and want to keep dialing the
number, press redial to dial the number again.

In Use Indicator

When the charge/in use indicator on the base is lit, the
handset is either in use or charging. The charge/in use
indicator on the base and the incoming-call-alarm at the
base front cradle flash when you receive a call.
Flash
If you subscribe to the combined Call Waiting Caller
ID service from your local telephone company you
will receive Caller ID information (if available) on Call
Waiting calls. During a phone call, you will hear a beep
to indicate another call is waiting on the line and Caller
ID information for the waiting call shows on the handset
display. To connect the waiting call, press the flash/
program button on the handset and your original call is
put on hold. You may switch back and forth between the
two calls by pressing the flash/program button.
TIP: Do not use the talk/call back button to
activate custom calling services such as call
waiting, or you'll hang up the phone.