Depending on the type of voicemail you have, you''ll have to login to the admin mailbox. That's done by pressing your voicemail key or intercom 777. If you have a Partnermail VS the admin mailbox is 99 with the default password of 1234. If you mave a Partner Messaging System the admin mailbox is 0 with a default password of 1234 or 123456. Once your into the admin mailbox press 9 for admin programming. ,3 for greetings, 1 for auto attendant number, 1 for day greeting 2 for night( if your using a night key at the receptionist station then it usus the night greeting) # to go past selector codes, 1 to start recording 3 to accept greeting hang up when done