(a) Purpose. The purpose of this rule is to facilitate the implementation of Texas Health and Safety Code Chapter 771A ("Kari's Law") requiring telephone systems that provide outbound dialing capacity to be configured to provide direct access to 9-1-1 service and, in instances where no hardware changes are necessary, to provide notification of a 9-1-1 call to a central location on the site of the residential or business facility from which a 9-1-1 call is made using a telephone system.(b) Definitions. For the purposes of this rule:(1) "9-1-1 service" means a communications service that connects users to a public safety answering point through a 9-1-1 system.(2) "Additional location" means an optional location, other than a central location, that receives notification of a 9-1-1 call that should be staffed 24x7 with personnel that can assist emergency first responders in accessing the residential or business facility from which a 9-1-1 call is made and determining the location of the 9-1-1 call, e.g., Campus Police, Security Office.(3) "Business service" means a telecommunications or communications service provided a customer where the use is primarily of a business, professional, institutional, or otherwise occupational nature.(4) "Business service user" means a user of business service that provides telecommunications or communications service, including 9-1-1 service, to end users through a publicly or privately owned or controlled telephone switch. Business service user includes a "governmental body" as defined in §552.003, Government Code, including an institution of higher education.(5) "Central location" means a designated location on the site of a residential or business facility from which a 9-1-1 call is made that receives notification of the 9-1-1 call. A central location is not required to have a person available at the location to receive or respond to the notification.(6) "Commission" means the Commission on State Emergency Communications.(7) "Internet Protocol enabled service" or "IP" has the meaning assigned by §51.002, Texas Utilities Code.(8) "Local exchange access line" or "Equivalent local exchange access line" has the meaning assigned in Commission Rule 255.4 (