I am sure you have done this more than me but make sure you wait until you hear the beep before pressing 3 to save.
also are you on the correct user mailbox .
are you using *17 or the message button on the phone the user is logged in
or are you dialing a custom made short code to access mailbox
To Record or Change Your Greeting
1.Log in to your mailbox .
2.Press 3 to select the option to edit your greeting.
3.Press 2 to change your greeting.
4.When you are prompted speak your new greeting.
· The greeting must be longer than 3 seconds.
· A long (approximately 10 seconds) period of silence will disconnect you from voicemail.
5.Press 2 when you have finished recording your greeting.
6.Press 1 to listen to your new greeting. After you have listened to your greeting you can:
· Press 3 to save the new greeting. Your new greeting will be used.
· Press 2 to re-record the new greeting.
· Press 4 to save the new greeting for playing on a continuous loop. This option can be used to continually play the greeting, callers will not be able to leave a message.
Note that once this option is selected, the greeting cannot be changed back to a normal greeting except by recording a new greeting.