How can I reset my mom's cordless phone?

Episode 1504 (37:53)

Joe from Knoxville, TN
Cordless phone

Joe's mom tends to lose her cordless phone around the house. He's created a device to log into it remotely to turn the phone off so it's not giving a busy signal. Leo says that's a brilliant solution. But it turns the phone completely off. Leo says an easier solution is to get his mom a backup cell phone that he an call whenever it happens.