Lot of 5 NEW Black Aastra Replacement Handsets that fit the following business phones: Aastra Telecom, 57i, 6721ip, 6725ip,  6730i, 6731i, 6735i, 6737i, 6739i, 6753i, 6755i, 6757i, Handset, Receiver, Phone Headset, Telephone Handle, Black