Thanks to China Unicom Americas’ extensive partnerships with major global operators, we are able to offer voice services that can reach to every corner of the world. Our parent company China Unicom has established cooperative relationship with over 120 operators globally and direct partnerships with almost 100 operators in over 60 countries and regions. These partnerships enable China Unicom Americas as a subsidiary of China Unicom to provide high-quality international voice services. Furthermore, China Unicom Americas has developed cooperation with dozens of major international telecom operators in to provide high-quality service to multinational clients in major countries and regions.

China Unicom Americas international termination services to Mainland China, Hong Kong and the rest of world through China Unicom’s network for international carriers. We have two main business models: SWAP and Hubbing.

Features & Benefits

  • Extensive interconnection coverage
    CUA not only has stable and reliable direct routes to mainland China, Hong Kong and Asian Pacific areas, but good relationship with America carriers also help us to build up premium routes to America area.
  • Stable and quality routes
    CUA can provide A to Z international voice termination services, bringing high quality domestic and international voice services.
  • Various interconnection methods
    CUA provides the traditional high quality PSTN and the flexible and economical VoIP connections.
  • Comprehensive and excellent services
    7×24 network monitoring and technical support services our customers to enjoy smooth and high quality long distance calls services.


Interconnecting Methods

  • CUA has flexible interconnecting methods to match different needs of international carriers.
  • PSTN interconnection: PSTN connection is available for us to connect with International carriers. The circuits will be accessed to our PSTN switch in Los Angeles.
  • VoIP interconnection: International carriers can connect with our IP gateways and routers through international private leased circuits or internet.
  • Access point: CUA has POP at One Wilshire building in Los Angeles and 60 Hudson Street in New York. It is very convenience to do connection with international carriers.

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