Ericsson DT288 User Manual page 37

Mailbox System
Retrieve messages internally
When the message icon appears in the display.
* 5 9 #
Dial
See section "Check and store received messages".
Retrieve messages - externally
To retrieve your messages from an external position:
Go "off hook"
Dial your company´s telephone number
Dial the number to the mailbox system
During the procedure you will be asked for your extension
number and your password.
BusinessPhone - Portable DT288 37