Availability - 1

[changjurhee]

Quality Attributes

Type	Description	QA Scenario (Stimulus / Source of stiulus / Artifact / Environment / Response / Response measure)	Tatics
Availability	Provide reliable signaling for both inbound and outbound calls including dropped call detection.	When a user makes or terminates a direct call using the system in the runtime environment, the frequency of accurately responding to the call / end call attempt must be 99.9% or higher. - Make or Terminate call - User - Call service - Runtime - Respond normally - More than 99% normal response rate

[codekistone]

Manage work requests - Even if the system is busy with other tasks, when it receives incoming call and call hanging up event, it needs to prioritize processing the request.