VTech SN5127 Quick Start Manual page 98

When a visitor presses the doorbell and the doorbell call is diverted to the
preset number, the call receiver of the preset number hears the message
"This is a diverted call from doorbell. Please press any number key to start
the conversation." You can also set the telephone to record all doorbell call
conversations. See Record doorbell call on page 91.
Divert mode
>Preset number
5
Scroll to Preset number,
and then press SELECT.
PRESENT NUMBER
_
6
Enter the destination
number.
93
PRESENT NUMBER
595-9511_
7
Press SELECT to save.