Calderdale MBC's 15 year-old system was not just old hat, it was unreliable. Cameras and recording equipment needed constant and costly attention to keep them in working order.But perhaps the most pressing problem was that the council had already pushed the system to its limits: it couldn't be expanded any further. That meant the council couldn't install new cameras to cover public spaces that were not even on the map back in 2003.To procure a new surveillance system, Calderdale MBC turned to a Crown Commercial Services framework agreement with Virgin Media Business (VMB). VMB in turn contracted CCTV services through Surveillance Solutions from BT (under its previous name, BT Redcare Surveillance).BT was keen to make sure that Calderdale didn't run into similar expansion-restricting problems in the next 15 years, so it completely upgraded all of the analogue circuits to digital, giving the council flexibility to expand the system easily and comprehensively.
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机译：Calderdale MBC已有15年历史的系统不仅陈旧，而且不可靠。摄像头和记录设备需要持续不断地付出高昂的代价才能保持正常运行。但是，最紧迫的问题可能是理事会已经将系统推向极限：无法进一步扩展。这意味着该委员会无法安装新的摄像机来覆盖2003年甚至还没有出现在地图上的公共空间。为了购买新的监视系统，Calderdale MBC寻求与Virgin Media Business（VMB）达成Crown商业服务框架协议。 VMB进而通过BT的Surveillance Solutions与CCTV签订了CCTV服务合同（以前的名称为BT Redcare Surveillance）。BT渴望确保Calderdale在未来15年内不会遇到类似的扩建限制问题，因此已完全升级所有模拟电路都转换为数字电路，使理事会可以轻松，全面地扩展系统。
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