Best Session Border Controllers (SBC) in China

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Compare the Top Session Border Controllers (SBC) in China as of October 2025

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What are Session Border Controllers (SBC) in China?

Session Border Controllers (SBCs) are network devices or software solutions that manage and secure real-time communication sessions, such as Voice over IP (VoIP) calls, video conferencing, and other multimedia exchanges, particularly between different networks. SBCs are deployed at the borders of networks, typically between an enterprise and a service provider network, to protect the communication infrastructure and optimize traffic flow. Their primary functions include session signaling, traffic routing, encryption, and ensuring secure interconnection between different communication systems. SBCs handle tasks like ensuring high-quality service (QoS), mitigating security threats (such as denial-of-service (DoS) attacks and eavesdropping), and maintaining compliance with industry standards. Compare and read user reviews of the best Session Border Controllers (SBC) in China currently available using the table below. This list is updated regularly.

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    Orchid Link

    Orchid Link

    Cataleya

    Cataleya's Orchid Link is a versatile, software-based Session Border Controller (SBC) designed to enhance real-time communications for service providers and enterprises. It offers flexible deployment options, including on-premises installations and as-a-Service models, to meet diverse operational needs. Orchid Link supports WebRTC gateway functionality, enabling seamless integration of web-based voice and video communications into existing SIP infrastructures. This capability facilitates the extension of communication services to web browsers without necessitating core system upgrades. The SBC ensures robust security by supporting DTLS for secure session establishment and SRTP for media encryption between WebRTC endpoints and SIP networks. Its service-aware firewall acts as an intelligent agent, defending against potential malicious attacks.
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  • 2
    Sansay VSXi Software SBC
    Sansay's VSXi Session Border Controller (SBC) is a high-performance, software-based solution designed for communications service providers, offering critical functions such as security, network address translation, protocol normalization, and session management. It supports up to 500,000 concurrent calls and 1 million SIP registrations, providing scalability for large deployments. The VSXi facilitates SIP trunking applications by managing Least Cost Routing and NAT traversal requirements. It also offers programmable SIP trunking capabilities, allowing for authenticated and unauthenticated trunks with features like extension-to-extension dialing, call forwarding, and failover support. Integration with Microsoft Teams is supported through Direct Routing, enabling users to make, receive, and transfer calls between Teams and the public switched telephone network (PSTN). The VSXi can be deployed in cloud environments and includes APIs for integration and customization.
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