Mine disappeared one time. I was certain that I left it on the dining room table.
Well, a former co-worker, who I seldom see, had come to my house for a visit. She said the phone looked exactly like hers so she put it in her purse and took it home. I kept calling my phone, but she wouldn't answer it. A couple of days later she called to let me know she had it. Getting it back was a chore because she's so flakey.