Location identification information shared with public safety answering point

An owner or operator of a multi-line telephone system shall configure the multi-line telephone system in such a manner that, when an individual makes a 911 call using the multi-line telephone system, the multi-line telephone system automatically provides the public safety answering point that receives the call verified automated number information and automated location information that includes: (1) the street address, and, if applicable, the business name, of the location of the communications device from which the call is made; (2) the direct call-back telephone number for the location from which the call is made; (3) any applicable office, unit, or building number of the location from which the call is made; (4) the room number, or other equivalent designation, of the location from which the call is made; and (5) (a) if the multi-line telephone system operates for a multi-story building, the building floor from which the call is made; and (b) if the multi-line telephone system operates for two or more buildings: (i) the building number, or other equivalent designation, of the location from which the call is made; and (ii) the building floor from which the call is made.