As used in this chapter, the following words and phrases shall be defined as set forth below:
Monitoring systems which respond to normal telephone line communications generated by digital telephone dialers. The digital telephone dialer is a device which automatically dials a predetermined telephone number upon activation of an alarm system. This telephone number accesses, via the telephone company system, a receiving device located in the Department of Emergency Services, which receiving device communicates a two-way electronically coded tone transmission to acknowledge receipt of the ring signal, receives a tone-coded alarm number, and finally emits a tone-coded signal (sometimes referred to as a "handshake" signal) to acknowledge successful reception of the alarm code number.
Monitoring systems which respond to a change in current flow over supervised leased lines. "Supervision" is defined as, at a minimum, a four-milliamp direct current signal transmitted from the alarm generating device to the appropriate equipment in the Department of Emergency Services. "Leased line" is defined as a pair of conductors provided by the telephone company. The response to a direct alarm connection is an audible and visual indication of either:
Includes natural persons as well as all other organizations, corporations, and associations, both public and private.
Monitoring systems which, upon activation of an alarm system, automatically dial a predetermined telephone number and communicate tape-recorded voice messages to the recipients of the telephone calls.