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Mass.Gov e911 Law Starting July 1, 2009 under the new law, all new or substantially renovated multi-line telephone systems must provide to end-users or subscribers the same level of E911 service that’s provided to other end-users in the state. That service includes what’s known as “automatic location identification,” or “ALI.”

For businesses, in particular, multi-line telephone systems must transmit to public safety answering points (PSAPS) the street address and an emergency response location that provides at least the building and floor location of the caller. The Massachusetts State 911 Department has stated that it is critical for business owners and facility managers in the state to be aware of the new regulations. To be in compliance, any business, facility, agency, or institution that installs, replaces or expands its system by more than 50 percent must ensure that the new or substantially renovated multi-line telephone system provides the same level of enhanced 911 service including ANI/ALI as is provided by all other wireline phones in the state. The State 911 Department believes that these new regulations will have a strong positive impact on public safety in Massachusetts. Specifically, the law requires buildings with a workspace of 22,500 square feet or less to transmit to the PSAP at least one ANI and at least one emergency response location with a street address and unit identifier for each building. Buildings over 22,500 square feet must be divided into sections; of 7,000 square feet per emergency response location.