Although the product information says that it is 15 minute recording time -- that is for total of all messages at one time (including outgoing message). Each individual incoming message can be no longer than 3 minutes. When listening to messages remotely you have to hit 6 key strokes to delete a message. There is no battery backup, so whenever there is a power outage you have to reprogram everything. The message screen is not back lit.Update: The incoming message feature stopped working Jan 2013 so I did get over 5 years usage. However, I did not like it enough to replace it with the same one.