Caltta Technologies Co., Ltd. (originally from ZTE Corporation), established in 2012, is a leading provider of integrated professional trunking communication solutions. With more than 700 experienced professionals and over 300 trunking technology patents, Caltta is capable of providing broadband trunking and narrowband trunking, PTT over Cellular, emergency communications, integrated communication command and other products and solutions. Caltta’s professional trunking system and network have been successfully deployed in more than 60 countries and regions around the world, widely applicable in local government, public safety, emergency, rail transit, utilities, energy and other verticals, providing professional communication services to more than 3 million users.

Caltta is committed to leading the Convergence of Global PMR Communications. In 2014, it launched the industry-leading "2+4" broadband and narrowband convergence solution, using DMR and LTE convergence networking, while supporting key voice and broadband data services; In 2017, the company proposed a "Converging All to Talk" private network development strategy, advocating "converged services, converged networks, converged terminals and converged industries"; in 2021, Caltta became a subsidiary of Beijing E-own International Investment & Development Co.,Ltd., launching an in-depth and long-term strategic cooperation with ZTE. Looking forward to the future, for the digital transformation in the 5G era, Caltta will provide end-to-end 5G industry application solutions, combining artificial intelligence and big data to help multi-industry and multi-field digital construction.

With the mission of "Make Communications Safer and Richer", Caltta takes continuous innovation as the technology-driven cornerstone, professional technology as the root of the industry, provides efficient and high-quality services, and works with industry partners to create a win-win cooperation of ecology, creating value for global customers.