Analogue telephone line simulation to transfer contact ID signals and speech sounds.
Handling wired telephone lines (PSTN), in case of its ceasure altering to GSM line simulation
Generating SMS message from the Contact ID codes of monitoring station reports (alarm, opening, closing…)
Automatic dial of pre-set telephone number as a result of picking up the line (emergency call function)
Bell 103 / V.21 digital data communication, the alarm system will be programmable through GSM data call[...]