The 1040 telephone is hearing-aid compatible and can be connected to up to four incoming telephone lines. This telephone features a speakerphone for handsfree use and a headset jack compatible with most two-band 2.5mm headsets. There are two additional ports available for connecting the telephone to another device such as a fax machine or modem. The 1040 allows paging, intercom and call transfers between system telephones and is capable of connecting three parties in the same conference call. This telephone also features a 32-number one- and two-touch memory for faster dialing.