1. Central Software shall have the ability to monitor and control all versions of Q-Free MaxTime Local Intersection Control Software currently in use in the City of Charleston. 2. It shall be possible for the ATMS Central Software that is installed under this contract to communicate simultaneously and operate in parallel with the existing QuicNet Pro Central Traffic Management with respect to controllers running Q-Free MaxTime Local Intersection Control Software. 3. Central software shall have the ability to interface fully with controllers running Q-Free MaxTime Local Intersection Control Software including capability for efficient upload and download of the complete set of MaxTime NTCIP parameters. 4. The Central ATMS Server shall consist of the following components: a. Central Server Application hosted in Microsoft IIS ver. 7.5+ b. Central Database Server hosted in Microsoft SQL Server 2008 R2+ 5. The Central ATMS Client shall use Internet Explorer, Mozilla Fire Fox, or equivalent browser to communicate with the ATMS server using HTTP over Port 80. No specialized client application need be installed on workstations to access the ATMS server.