Ascom Holding AG, through its subsidiaries, provides communication solutions for monitoring, security, and data transfer worldwide. It offers analysis and consulting, system design and system integration, project management, engineering and implementation, and maintenance and support services. The company operates in two divisions, Wireless Solutions and Security Solutions. The Wireless Solutions division provides wireless onsite communication solutions in the various areas, such as used buildings, industrial sites, hospitals, elderly care, hotels, retailing, and security facilities. It also supplies work place telephony, paging, and nurse call services. The Security Solutions division provides integrated communications, management, and information solutions. It offers solutions for command, control, communication, computing, and information to the defense sector; provides alarm and mobilization systems, as well as emergency call dispatching systems for police and rescue organizations in the public safety sector; and delivers passenger information, emergency call, and tunnel radio communication systems to the transport operators in the traffic security sector. This segment also offers systems to optimize and measure the quality of mobile networks, as well as offers software solutions for network operators and service providers to enhance their internal processes related to the planning and implementation of telecom networks. Ascom Holding AG is headquartered in Berne 14, Switzerland.