Toshiba CTX28 Complete phone system with DKT3020SD and two DKT3010S phones. The system is currently capable of 3 incoming lines, 8 phones and 1 analog station. The system is feature rich with built-in caller id, paging interface, music on hold interface and voicemail compatible by adding the Toshiba GVMU 4 port voicemail board. This system will grow with your office needs up to 6 incoming lines and 16 phones by adding the Toshiba GCDU 3x8 expansion card. INCLUDES TWO YEAR WARRANTY. Nationwide installation available.