Message on voicemail attempts to sound like a human. But the last part is repeated perfectly, even down to the stutter between "home security" and "can you hear me". So it's totally a bot, maybe hoping you'll call back or not mark the number as spam. Full transcript: "I'm sorry. I didn't hear you clearly. This is Todd with GE home security [buh] can you hear me okay? This is Todd with GE home security [buh] Can you hear me okay?"