You can change your Olelo voicemail from the voicemail menu.   To record a personal voicemail greeting:   Press and hold the 1 on the Olelo dialer (or dial *97)   Press * to reach the voicemail menu   Press 4 to record your personal mailbox greeting     To reset your voicemail greeting:   Press and hold the 1 on the Olelo dialer (or dial *97)   Press * to reach the voicemail menu   Press 9 to select a default mailbox greeting