This AT&T 945 Four-Line Intercom Speakerphone is expandable to a 16 station telephone system. The 945 is compatible with AT&T 974, 984, 944, 955 and 964 telephones.The 945 is hearing aid compatible and can be connected to up to four incoming telephone lines. This phone features a speakerphone for hands-free use and a headset jack compatible with most two-band 2.5mm headsets (sold separately). The 945 allows paging, intercom and call transfers between system phones and is capable of connecting three parties in a conference call. This phone also features a 32 number memory for faster dialing. There are two convenience ports available for connecting the phone to another device such as a fax machine or modem.The 945 is compatible with Centrex service. Centrex is a special subscriber service which may be available from your local telephone company for a fee.
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