Quote Originally Posted by usa2k View Post
One quick thing (I'm heading out)

Some phones with answering machine (Like Uniden) don't have the Visual Message Waiting Light feature. (It only works if a message is on the built-in answering machine) I know Uniden without answering machine work for Visual MWI. Both types will have a stutter tone when picked up and a message is waiting.

I will find a great link to the answer about Nid later, or someone will beat me to it!
Thank you for information and willingness to get back to me on the technical info on Nid.