The Motorola ML1002 Desk Phone Base Station with Digital Receptionist and Digital Answering System can be set to automatically pick up a ringing line after an answer delay that you program. When digital receptionist is turned on, the ML1002 will then automatically play a designated greeting to your caller. Build a 1 to 4 line phone system and wirelessly connect up to 10 ML1100 desk phones and/or ML1200 cordless handsets (sold separately) to the base station. Only the ML1000 base station needs to be connected to a phone jack. The ML1002D comes with the base station and 2 wireless desk phones.