Features two phone lines with conferencing to help you make the most of your calls. Integrated data port eliminates the need to switch phone lines back and forth when it``s time to check e-mail or send a fax. Speakerphone allows everyone in the room to participate in the phone conversation. Headset compatibility means you can talk hands free whenever you choose. Features an adjustable ringer and volume control to set your phone at an ideal volume level. Provides clear, quality conversations. Frequency: N\A; Answering System: N\A; Lines: 2; Telephone Type: Corded.