(1) The digits “911” shall be the primary emergency telephone number, but the involved agencies may maintain a separate secondary backup number and shall maintain a separate number for nonemergency telephone calls.

(2) The use of the digits “911” shall become the standard telephone number for public access to the various emergency services within the State of Mississippi by the year 1995. The implementation of this service shall be effected in all counties not currently operating a “911” system according to the following guidelines:

(a) Those counties not currently in the process of installing “911”, or currently using “911” emergency telephone service, which have a population greater than fifteen thousand (15,000) residents shall, when so authorized by a vote of a majority of the qualified electors of the county voting on the proposal in an election held for that purpose, take the steps necessary to implement Enhanced 911 within such county using the guidelines for implementation set forth in Section 19-5-301 et seq.;

(b) Those counties not currently in the process of installing “911”, or currently using “911” emergency telephone service, which have a population less than fifteen thousand (15,000) residents shall, when so authorized by a vote of a majority of the qualified electors of the county voting on the proposal in an election held for that purpose, install either “Basic 911” or “Enhanced 911” using the guidelines for implementation set forth in Section 19-5-301 et seq.