Component Interface for an Emergency Control Room

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The hospital needs to find a way to improve the tracking of Voice Over IP (VOIP) calls within the hospital and also wants to have a program to improve response time of medical personnel by using the GPS to locate the closes vehicle to the emergency. A design will need to be made of the Requires and Provides interfaces of two components that might be used in the VOIP system. A design of the interface is needed for two components that may be used in the vehicle discovery component to find the nearest vehicle to the incident with the Requires and Provides interfaces.
According to Sommerville (2011), the Provides interface are services provided by the component, where the Requires interface specifies what services are needed by the other
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The log will include the information of the phone numbers from and to, the time and date of the call and how long the call was. The log will include an auto-number next to each call. This auto number can be used as identifying number to associate the call information with the recording in the second component. Since this number is auto assigned by the system, it will be unique number created for each call. The database creating the log can sort and display all the auto-numbers by line. The management also asked for the ability to record the calls that are made. In the second component, the Require interface is the recorder, a service to record, play, store, and delete the recorded phone calls for the provide interface. The auto-number from the first component will be associated with the recording. This make it easier for management to locate the call by entering and searching by the auto-number from the log. Along with recording the call, management will need the ability to store the recording to a media such as a tape backup system or other media. Once calls are stored and no longer needed in the system or backed up to another media, the recoded calls can be deleted to free up space. The system will be setup to easily play the recording if needing to restore it from a backup tape or other media. Policies will need to be put in place on security the phone recordings and

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