Dialog 4223 Professional - Manual (Page 62)

Messages
Dialog 4223 Professional 62
Message Waiting (optional)
If assigned this function and your phone is diverted to an
interception computer, a Function key (programmed by your
system administrator) will flash when there are messages stored for
you in the computer. The messages will be printed out on a printer
connected to the computer.
To print out messages
Message
Х Ф
Press.
Note: Function key preprogrammed by your system
administrator.
The display shows the identity of the computer and the number of
messages stored for you.
If you find that the notification of Message Waiting is intrusive or
you want to shut off the notification: #91#*
Dial.
Acknowledgement tone.