Ericsson DT590 - Manual (Page 44)

During Calls
BusinessPhone – Cordless DT590 44
Call Waiting
If you hear the Call Waiting tone during an ongoing conversation,
another person is trying to contact you.
To terminate the ongoing call and answer the waiting
call Ъ Щ
Press to finish the ongoing call.
The waiting call is signalled on your phone. Ь Ы
Press to answer the new call.
Note: The Call Waiting function might be blocked for use on
your extension (programmed by the system administrator).
Send a Message
You can send a callback or a voice message when you call an
extension and receive busy tone or get no answer.
Callback message
To send a Call me message. 9#
Press to send.
Voice message
To send a voice message. 99
Press and speak. *
Press to play-back and listen to your recording. 9
Press and speak to re-record. #
Press to send. Ъ Щ
Press to finish the procedure.