Multi-line Telephone System
A Multi-line Telephone System (MLTS) often referred to as a Private branch exchange is a telecommunications switching system used by enterprise style organizations to process calls between employees within the organization and with parties external to the organization. An MLTS may serve a single building, segments of multi-tenant buildings, a group of buildings on a campus or even a number of buildings separated by geography. New communications technologies are making it possible for single MLTS systems to serve locations at far distant places that may span multiple governmental jurisdictions even distant countries.
The challenge of Enhanced 9-1-1 for the MLTS is that information about the location of callers is only available to the extent that the private organization discloses the information. For the organization the challenges of collecting and reporting the information can be significant. Today’s highly mobile work forces and technologies that allow users to relocate without the intervention of an administrator place significant responsibilities on the MLTS owner or operator.
Recent legislation, rules, and regulations in numerous US government jurisdictions have established the burden upon the enterprise style organization to provide accurate location information so that the ALI database may be updated and the processes used by public safety agencies can function properly when an emergency call originates from within a MLTS system.
The member driven volunteer organization that represents the people who staff the PSAPs, the National Emergency Number Association (NENA.org), has done significant work advocating on the subject of MLTS E9-1-1. It is an important contemporary issue of growing concern as enterprise style organizations employ new technologies to create vast private networks that interconnect with the PSTN in ways that do not map to the logic used to locate callers in the Public Enhanced 9-1-1 system. The risks to people who initiate a 9-1-1 call from and MLTS who are not physically located within the jurisdiction of the agency to which the 9-1-1 call is routed and the increasing burdens of misdirected 9-1-1 calls upon those agencies is escalating.
Read more about this topic: Enhanced 9-1-1
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