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Common alerting protocol

Common Alerting Protocol (CAP) based integration technologies for fire alarms, indoor public address (PA) systems, outdoor sirens, digital displays, and radios. Desktop Alert is also certified to interface with FEMA’s Integrated Public Alert and Warning System (IPAWS).

Desktop Alert Sponsor Level Member At OASIS Desktop Alert Commended by OASIS

CAP Protocol: Highly Secure, Bi-Directional Information Sharing

Desktop Alert produces bi-directional CAP applications using secure Web techniques for message transport such as HTTP Post and RSS/Atom Feeds. Desktop Alert securely consumes and publishes CAP messages for transmission and provides publishers of CAP messages CAP message receipts. (Acknowledgements)

Desktop Alert adheres to the purpose of the CAP mission by allowing information sharing across competitive boundaries and across disparate systems.

CAP facilitates information sharing, eliminates competitive/proprietary vendor barriers (silos).  If you have been told CAP is not secure and not reliable, contact us for a CAP demonstration.

Our CAP implementation uses the highest encryption standards combined with bi-directional hand shake authentication.  Unless the publisher/sender of this CAP message is registered in the recipient systems database, the message is ignored. Our system takes one more level of precaution by preventing consumption of the CAP message by the recipient system if the recipient system is not actively registered in the publishing systems database.  The CAP system end-to-end can be hosted at secure DoD data-centers such as DISA.

The Common Alerting Protocol (CAP) is an XML-based data format for exchanging public warnings and emergencies between alerting technologies. CAP allows a warning message to be consistently disseminated simultaneously over many warning systems to many applications. CAP increases warning effectiveness and simplifies the task of activating a warning for responsible officials.

Individuals can receive standardized alerts from many sources and configure their applications to process and respond to the alerts as desired. Alerts from the United States Geological Survey, the Department of Homeland Security, NOAA and the California Office of Emergency Services can all be received in the same format, by the same application. That application can, for example, sound different alarms based on the information received.

By normalizing alert data across threats, jurisdictions and warning systems, CAP also can be used to detect trends and patterns in warning activity, such as trends that might indicate an undetected hazard or hostile act. From a procedural perspective, CAP reinforces a research-based template for effective warning message content and structure.

The CAP data structure is backward-compatible with existing alert formats including the Specific Area Message Encoding (SAME) used in Weatheradio and the broadcast Emergency Alert System, while adding capabilities including :-

  • Flexible geographic targeting using latitude/longitude “boxes” and other geo-spatial representations in three dimensions.
  • Multilingual and multi-audience messaging.
  • Phased and delayed effective times and expirations.
  • Enhanced message update and cancellation features.
  • Template support for framing complete and effective warning messages.
  • Digital encryption and signature capability; and
  • Facility for digital images, audio and video.

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