Panasonic KX- TG2583B Operating Instructions Manual page 63

All Message Playback
All recorded messages are played back At the end of the last
message, "End of final message" is heard The unit will
announce the remaining recording time if it is less than
5 minutes
New Message Playback
Only new messages are played back At the end of the last
message, "End of final message" is heard The unit will
announce the remaining recording time if it is less than
5 minutes
Recording a Memo Message
You can leave a personal message
1 Talk after you hear "Please leave your message"
2 When you finish recording, hang up
Erasing All Messages
All recorded messages (except greeting message) are
erased
Recording a Greeting Message
You can re-record your greeting message
1 Press Q
You will hear a voice prompt followed by a long beep
2 After the beep, talk for up to 2 minutes
3 When you finish recording, press @J
4 Your greeting will be played back for confirmation
"Memory full" after playback, erase some, or all, of the messages