Can you get a cell phone?
Cheery Cherry Reviewed by Cheery Cherry on . phone line detector? just a quick question.. basically i have a phone in my room that shares the same phone line as the rest of the house. is there any device i can get to tell me when someone in the house picks up the phone when im on the phone in my room? basically to see if anyone is on the line or to see if there is another phone active on the line when im using it. Rating: 5