As used in this chapter, the following definitions apply:

(1) "Automatic location identification (ALI) " means the automatic display at a public safety answering point of the subscriber telephone number, the service address for the telephone and supplementary information.

(2) "Automatic number identification (ANI) " means the automatic display at a public safety answering point of the subscriber telephone number.

(3) "Central office boundary" is the smallest subdivision in a telephone system which is defined by the extent of central office physical telephone service coverage and/or electronic software defined coverage.

(4) "Selective routing" is a standard service which allows an enhanced 911 call to be routed to the appropriate public safety answering point based on the calling party's telephone number.