LED Guide: What do all these colors mean? July 11, 2022 11:59 Related articles Adjusting Ring Counts so the landline answering machine or network voicemail work with the imp. Adding users to my imp box. What are Urgent Calls? I can’t quite tell what color this LED is: It looks like several colors at once. My landline phone still rings once anytime anyone calls. What is up with that, and how do I make it stop?