Indiana Code Title 36. Local Government § 36-8-16.7-7

(1) uses telephone numbers or IP addresses or their functional equivalents or successors;

(2) allows access to, or a connection or interface with, a 911 system through the activation or enabling of a device, transmission medium, or technology that is used by a customer to dial, initialize, or otherwise activate the 911 system, regardless of the particular device, transmission medium, or technology employed;

(3) provides or enables real time or interactive communications, other than machine to machine communications;  and

(4) is available to a prepaid user or a standard user.

(1) Internet protocol enabled services and applications that are provided through wireline, cable, wireless, or satellite facilities, or any other facility or platform that is capable of establishing or connecting a 911 communication from the public to be relayed to a PSAP.

(2) A multiline telephone system.

(3) CMRS.

(4) Interconnected VOIP service and voice over power lines.

(5) Integrated telecommunications service (as defined in 47 CFR 400.2).