【Build Your Complete Phone System】The ML1000 is the main base station required for the Motorola ML Series. Supports up to 4 lines and 10 wireless extensions (ML1100/ML1200) for small or growing businesses. 【Professional Auto Attendant】Digital receptionist automatically answers and routes calls, ensuring every customer reaches the right department. 【200-Minute Digital Answering System】Never miss a call. Store up to 10 mailboxes with time/date stamps and remote message retrieval. 【Easy Plug-and-Play Setup】Only one phone jack needed to start your entire system. Add wireless extensions without additional wiring. 【Built for Business】Wall-mountable, headset-ready, hearing-aid compatible