The organization must document and implement the fire and emergency services (FES) communications over a locations primary voice communications system to route emergency calls as a priority call in a non-blocking manner.

From Voice Video Policy Security Technical Implementation Guide

Part of SRG-POL-300639

Associated with: CCI-000235

VVSP-01-000192_rule The organization must document and implement the fire and emergency services (FES) communications over a locations primary voice communications system to route emergency calls as a priority call in a non-blocking manner.

Vulnerability discussion

Information protection needs are technology-independent, required capabilities to counter threats to organizations, individuals, or the Nation through the compromise of information (i.e., loss of confidentiality, integrity, or availability). Information protection needs are derived from the mission/business needs defined by the organization, the mission/business processes selected to meet the stated needs, and the organizational risk management strategy. Information protection needs determine the required security controls for the organization and the associated information systems supporting the mission/business processes.Inherent in defining an organizations information protection needs is an understanding of the level of adverse impact that could result if a compromise of information occurs. The security categorization process is used to make such potential impact determinations. Mission/business process definitions and associated information protection requirements are documented by the organization in accordance with organizational policy and procedure.One of the primary missions of Voice Video systems is the DISN Voice Precedence for mission-critical decision-maker communications, especially during times of crisis. A primary business function includes FES processes. These, along with other mission/business functions, must be documented in the System Security Plan (SSP).

Check content

Review the organizational Voice Video SSP for the primary voice communication system. Verify that the configuration and routing tables route calls to the designated local emergency services number at the public-safety answering point (PSAP) as a priority call in a non-blocking manner. If an emergency services number is not designated to access the PSAP, whether internal to the local site or to another local agency or municipality, this is a finding. If calls to the PSAP are not treated as a priority call in a non-blocking manner, this is a finding. NOTE: In the event the FES calls are routed to a public entity, the call must route to an internal emergency number in parallel with the external call. Both calls should have the same priority. The site must be aware of the emergency and assist the FES responders in reaching the location of the caller. FES calls may be routed to an internal on-site FES answering point providing the site maintains robust local police, fire, and medical services so these can replace public services. In the event a public FES answering point is the primary answering point for the site, calls must be routed to it directly and not relayed via a local emergency answering point. A second call from the local emergency answering point should not be required to obtain emergency services from the public FES answering point unless the site maintains full and comparable police, fire, and medical services and its answering point is the primary. In the event a local private answering point is the primary answering point, and if this private answering point is not fully staffed on a 24/7 basis, the telephone system must route FES calls to the public answering point when the local answering point is not fully staffed, for example, outside the normal working hours of the site.

Fix text

Document and implement the organizational Voice Video system to support FES at all locations. Configure the primary voice communication system to routes calls to the designated local emergency services number at the PSAP as a priority call in a non-blocking manner. Configure the telephone system to treat calls to the PSAP as a priority call in a non-blocking manner.

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