Sonim Technologies | 12,435 followers on LinkedIn. Sonim Technologies is a leading U.S. provider of ultra-rugged mobility solutions. | Sonim Technologies (www.sonimtech.com) is the leading provider ultra-rugged mobile phones, designed specifically for workers in demanding and hazardous environments. We specialize in workforce-critical communication tools for vertical industries including construction, public safety, oil, gas and chemical operations, utilities, transportation and logistics, hospitals, forestry, agriculture and defense. Sonim has partnered with industry leading application developers to provide a suite of high-performance workforce-critical mobile applications such as push-to-talk, lone worker safety services, mobile resource management and time and attendance verification.