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Emergency communication system

communication system used for emergency coordination, often made up of both input devices, sensors, and communication devices, typically capable of both initiating and receiving information among multiple parties

Pronunciation
/ɪˈməːʤənsi kəmjuːnɪˈkeɪʃən ˈsɪstəm/
/əˈmərʤənsi kəˌmjunəˈkeɪʃən ˈsɪstəm/