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  2. Emergency service response codes - Wikipedia

    en.wikipedia.org/wiki/Emergency_service_response...

    Code 3: Respond to the call using lights and sirens. Code 2: Respond to the call with emergency lights, but without sirens. Alternatively, sirens may be used if necessary, such as to make traffic yield or when going through intersections. Code 1: Respond to the call without emergency lights and sirens.

  3. Emergency Response Guidebook - Wikipedia

    en.wikipedia.org/wiki/Emergency_Response_Guidebook

    The Emergency Response Guidebook: A Guidebook for First Responders During the Initial Phase of a Dangerous Goods/Hazardous Materials Transportation Incident (ERG) is used by emergency response personnel (such as firefighters, paramedics and police officers) in Canada, Mexico, and the United States when responding to a transportation emergency involving hazardous materials.

  4. Emergency Alert System - Wikipedia

    en.wikipedia.org/wiki/Emergency_Alert_System

    The Emergency Alert System ( EAS) is a national warning system in the United States designed to allow authorized officials to broadcast emergency alerts and warning messages to the public via cable, satellite and broadcast television and AM, FM and satellite radio. Informally, Emergency Alert System is sometimes conflated with its mobile phone ...

  5. Wireless Emergency Alerts - Wikipedia

    en.wikipedia.org/wiki/Wireless_Emergency_Alerts

    An example of a Wireless Emergency Alert on an Android smartphone, indicating a Tornado Warning in the covered area. Wireless Emergency Alerts (WEA, formerly known as the Commercial Mobile Alert System (CMAS), and prior to that as the Personal Localized Alerting Network (PLAN)), [1] is an alerting network in the United States designed to disseminate emergency alerts to mobile devices such as ...

  6. List of SIP response codes - Wikipedia

    en.wikipedia.org/wiki/List_of_SIP_response_codes

    1xx—Provisional Responses. 100 Trying. Extended search being performed may take a significant time so a forking proxy must send a 100 Trying response. [ 1]: §21.1.1. 180 Ringing. Destination user agent received INVITE, and is alerting user of call. [ 1]: §21.1.2. 181 Call is Being Forwarded.

  7. Ten-code - Wikipedia

    en.wikipedia.org/wiki/Ten-code

    Ten-code. Ten-codes, officially known as ten signals, are brevity codes used to represent common phrases in voice communication, particularly by US public safety officials and in citizens band (CB) radio transmissions. The police version of ten-codes is officially known as the APCO Project 14 Aural Brevity Code. [1]

  8. Integrated Public Alert and Warning System - Wikipedia

    en.wikipedia.org/wiki/Integrated_Public_Alert...

    Architecture of IPAWS. The program is organized and funded by the Federal Emergency Management Agency (FEMA), an agency of the Department of Homeland Security. [4] The system allows for alerts to be originated by Federal, State, local and tribal officials, and subsequently disseminated to the public using a range of national and local alerting systems including EAS, CMAS and NWR. [5]

  9. Emergency telephone number - Wikipedia

    en.wikipedia.org/wiki/Emergency_telephone_number

    911. 112 and 911. Other number, no redirection or redirection for mobile phones only. An emergency telephone number is a number that allows a caller to contact local emergency services for assistance. The emergency number differs from country to country; it is typically a three-digit number so that it can be easily remembered and dialed quickly.