DESC: Stay connected. This set includes two handsets so you can place phones in two rooms while using only one phone jack. The integrated digital answering machine makes sure you never miss a call again, recording up to 14 minutes of messages without the mess of tape. And DECT 6.0 technology ensures your conversations are crystal clear. From AT&T. Caller ID is a subscribed service. Contact your local telephone company for availability, details, and costs.