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Emergency service response codes are predefined systems used by emergency services to describe the priority and response assigned to calls for service. Response codes vary from country to country, jurisdiction to jurisdiction, and even agency to agency, with different methods used to categorize responses to reported events.
DEFCON 1: COCKED PISTOL Nuclear war is imminent or has already begun Maximum readiness. Immediate response. DEFCON 2: FAST PACE Next step to nuclear war Armed forces ready to deploy and engage in less than six hours DEFCON 3: ROUND HOUSE Increase in force readiness above that required for normal readiness Air Force ready to mobilize in 15 ...
Communication problems and successes played an important role during the September 11 attacks in 2001 and their aftermath. Systems were variously destroyed or overwhelmed by loads greater than they were designed to carry, or failed to operate as intended or desired.
911, sometimes written 9-1-1, is an emergency telephone number for Argentina, Canada, Dominican Republic, Jordan, Mexico, Pakistan, Palau, Panama, the Philippines, Sint Maarten, the United States, [2] and Uruguay, as well as the North American Numbering Plan (NANP), one of eight N11 codes. Like other emergency numbers around the world, this ...
List of country calling codes Worldwide distribution of country calling codes. Regions are coloured by first digit.
A public-safety answering point ( PSAP ), sometimes called a public-safety access point, is a type of call center where the public's telephone calls for first responders (such as police, fire department, or emergency medical services / ambulance) are received and handled. It takes calls from any landline, mobile phone line, or VoIP (Voice over ...
988 (telephone number) 988 (sometimes written 9-8-8) is a telephone number used in some North American (NANP) countries for a suicide prevention helpline. In the United States, it is known as the 988 Suicide & Crisis Lifeline (formerly the National Suicide Prevention Lifeline and the number 1-800-273-8255 ). In Canada, it is known as the 9-8-8 Suicide Crisis Helpline .
Modes of communication Amateurs use a variety of voice, text, image, and data communications modes over radio. Generally new modes can be tested in the amateur radio service, although national regulations may require disclosure of a new mode to permit radio licensing authorities to monitor the transmissions. Encryption, for example, is not generally permitted in the Amateur Radio service ...