The Communications Standard Research Institute was formerly Research Institute of Telecommunications Transmission under the Ministry of Information Industry (MII), which is specially engaged in telecom network technology research.
        Since its establishment in 1972, the Institute has provided strong support of technology, policy and regulation for the state telecom authority; engaged in technology research in various communication field and stipulation of state or industry-level telecom network technology system, standard and equipment type approval criteria; responsible for the test and trial operation of network equipment, terminal equipment and new technologies, provided high-level technical and test service as well as consultancy for major telecom operators and equipment providers.
Core Services:
    * Supporting of governmental administration and regulation
    * Formulating national and industrial telecommunication standards
    * Technical and consultancy service for operators and manufacturers
    * Test and certification of telecommunication equipment
    * Technical trial of telecom technology and product

        The research scope of the Institute includes all communication technologies and it has always endeavored to the study of hot, difficult or foresighted technologies, including 3G &B3G, next generation network (NGN), IP network, intelligent optical network, QoS, broadband access network, intelligent network, IPv6, network and information security, E-NUM, etc.
major study area£º
    * 3G/B3G
    * next generation network£¨NGN£©
    * network interconnection and interworking
    * telecom resources of numbers and radio frequency
      * intelligence network
      * Signaling network
      * PSTN
      * broadband packet network
      * IP network
      * optical transmission network
      * synchronous network
      * access network
      * mobile communications network
      * paging, trunk and cordless technology
      * microwave and satellite system