You can record the greeting heard by callers to your voicemail. At any time, you can listen to a greeting message and re-record it.
Note:
A greeting must be longer than 3 seconds. The maximum length of a greeting is 120 seconds by default.
Login to your mailbox.
Press 3 to select personal greetings.
Press 1 to create or change a greeting.
Start speaking your greeting at the tone.
When you have finished press 1 to edit your greeting.
Press 23 to playback the greeting that you have just recorded.
Press # to confirm the recording. The system announces the number of the greeting just recorded. If you want to add to the recording, press 1 . Start speaking the extra words, press 1 when finished.