As used in this part:
(1) “911 service” has the same meaning as defined in § 7-86-103;
(2) “Entity” means an owner or operator of a business, the state, or a local government;
(3) “IP-enabled services” has the same meaning as defined in § 7-86-103; and
(4) “Telephone system” includes a multiline telephone system and any equivalent system that utilizes IP-enabled services.