Montana Title 10. Military Affairs and Disaster and Emergency Services § 10-4-103. Emergency telephone system requirements

(a) a 24-hour communications facility automatically accessible anywhere in the public safety answering point's service area by dialing 9-1-1;

(b) direct dispatch of public and private safety services in the public safety answering point's service area or relay or transfer of 9-1-1 communications to an appropriate public or private safety agency;

(c) a 24-hour communications facility equipped with at least two trunk-hunting local access circuits provided by the local telephone company's central office;

(d) automatic number identification that automatically identifies and displays the calling telephone number at the public safety answering point; and

(e) automatic location identification that automatically identifies and displays the location of the calling telephone at the public safety answering point.