Currently, there is no test equipment that can perform server conformance test cases. The National Institute of Standards and Technology's (NIST) Public Safety Communications Research Division (PSCR) has recently funded grants to perform MCS device and application conformance test cases. (Non-interoperable solutions will be a barrier to interoperability between public safety users using different services). Furthermore, there exists proprietary technology that could hamper communications and interoperability. Since these services are relatively new, the interfaces between the servers and their implementation are not mature and are likely to be non-interoperable and not conform to the standards. An example of this is portable dispatcher units that a customer may use. Though MCS servers exist within a cellular network provider's core network, there are other devices that can act as a MCS server. MCS services consist of both end point applications on user equipment and the servers that provision and manage those services. However, communications and interoperability among users on different carriers, or on different vendor furnished applications, can be limiting. Mission critical services were implemented in the Third Generation Partnership Project (3GPP) standards to provide public safety users with highly resilient and high-performance network capabilities, such as quality of service, priority and preemption.Ĭellular network providers are starting to provide Mission Critical Services (MCS or MCX) to their customers in the form of Mission Critical Push To Talk (MCPTT), Mission Critical Video (MCVideo), and Mission Critical Data (MCData). Develop testing methods and processes to ensure conformance and interoperability of Mission Critical Services server-to-server communications.
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