Ascom Holding AG is a Switzerland-based holding company and communication solutions provider with technological know-how in mission-critical wireless communication. The Company mainly focuses on the: Wireless Solutions and Network Testing. The Wireless Solutions business segment comprises products and services in connection with client-specific on-site communication solutions and work-flow optimization, with core segments including communication solutions for hospitals and senior care, among others. The Network Testing business segment offers a portfolio of software solutions for testing, benchmarking and performance optimization for mobile networks. The Company's offering ranges from analysis and consulting to system design and system integration, project management, engineering and implementation to maintenance and support. The Company is active domestically, as well as abroad in numerous countries. Its subsidiaries include Integrated Wireless and United Medical Software (UMS) srl.