AASTRA DT4x2 for BusinessPhone User Guide EN - Manual (Page 64)

Messages
BusinessPhone – Cordless DT412/DT422/DT432 64
Dictaphone function
If you want to record and retrieve personal Voice messages you
can use the Dictaphone function. A Dictaphone message is treated
as a normal message. How to retrieve Dictaphone messages, see
section “ Check and store received messages ” on page 61.
Record message
To start the recording: æ
Press.
*58#
Dial and record your message.
The maximum recording time is four minutes and 15 seconds.
Select options below: *
Press to play-back.
9
Press and speak to re-record.
æ
Press to stop the recording and save the message.