Siemens Hicom 300 E 사용자 설명서

Callers who dialed your number during your absence 
can leave a callback request in your mailbox.
You will also find  mail server voice/fax messages in your 
mailbox (if this facility is available).

The  lamp  is  list  if there are new entries  in the  mailbox. 
Press the  key.
The  first  entry is d isplayed.  Keep p ressing  the mailbox 
key to see the other messages.

"Call" = callback request 

for example, from Mr. Jones

The  callback request is displayed.

Select and confirm.
The user is called.

Mailbox