This is the best I can do to answer part of your problem. I solved my problem by taking this advice from Uniden for their dual phone set:
Selecting Ringer Tone (handset only) Question: How do I set/change my ringer tone on the handset? Answer: There are two different way to change you ringer tone depending on which model you have. If you do not have an option in your menu on you handset for handset setup, then you will simply hit the volume ^ or v arrows on the handset rapidly scrolling through the 2 ringer tones and volume combinations.
it keeps showing the little VM (voicemail) and I don't have voicemail service. Why does it keep...
(More)
it keeps showing the little VM (voicemail) and I don't have voicemail service. Why does it keep doing this and how do I get it to stop?
Add the things you own to your My Products collection and get product information, solutions to problems, manuals & guides, tips and how-to's, reviews & ratings and local repair service - all in one easy place.