List of the Top 8 Session Border Controllers (SBC) for Microsoft Azure in 2026

ProSBC is a powerful, carrier-grade Session Border Controller specifically designed for service providers and enterprises, featuring a wide array of advanced functionalities. With the capability to manage as many as 60,000 concurrent sessions, it includes essential features like media transcoding, STIR/SHAKEN compliance, fraud detection, and high availability configurations. Its flexibility allows it to run effortlessly on various platforms such as VMware, KVM/Proxmox, AWS, Microsoft Azure, and bare-metal servers. This versatility positions ProSBC as a perfect solution for applications like SIP trunking, enterprise SIP trunking, CPaaS access, and TDM-to-SIP transitions. Moreover, it is built to be compatible with leading VoIP platforms and carrier networks, ensuring broad interoperability. The system is designed with user convenience in mind, featuring a web-based interface that streamlines deployment, operation, and management processes. Additionally, the optional TB Analytics feature pack offers critical insights for troubleshooting network challenges. Notably, the software's scalability—from as few as 100 sessions to an impressive 60,000—grants your SBC the ability to expand as your requirements grow, providing both flexibility and dependability as your business evolves. This adaptability not only enhances its utility but also makes ProSBC an excellent choice for future-proofing your communications infrastructure and ensuring seamless connectivity as technology advances.

Numerous businesses and service providers around the world depend on our offerings to revolutionize their networks with an emphasis on fostering business expansion. When seamless connectivity between Teams and the global landscape is crucial, Ribbon's Session Border Controllers (SBCs) facilitate secure business communications. Adopting a cloud-native approach ensures a reliable provision of rapid services and boosts revenue, whether through public or private cloud solutions. Elevate your customers' experiences with robust, automated communication services that adhere to carrier-grade standards. Quickly design and launch cutting-edge services in a multi-layered network architecture. Ribbon's IP Optical networks stand out for their openness, automation, and flexibility, combining advanced hardware with intelligent automation software. The IP Wave portfolio presents a comprehensive solution in IP Optical technology, specifically crafted to address the challenges of building, managing, and overseeing multi-layer communication networks. Explore the distinctive benefits that IP Wave offers compared to other solutions in the market. By opting for IP Wave, your organization will be at the leading edge of innovation in telecommunications, ensuring you stay competitive in an ever-evolving industry. Embrace this opportunity to transform your communication landscape and drive significant growth.

The Ingate SIParator® is a highly efficient and flexible Enterprise Session Border Controller (E-SBC) that provides secure and seamless SIP connectivity, facilitating the integration of PBXs and Unified Communications (UC) systems with SIP trunking providers. By optimizing SIP trunking operations, the SIParator connects remote UC endpoints, aggregates SIP trunks, and distributes sessions across multiple locations and service delivery points. This solution is extensively employed to secure Real-Time communications, guarantee SIP interoperability, and offer a wide array of connectivity options. Its robust design ensures compatibility with all existing network infrastructures, featuring a standard SIP proxy and a SIP registrar. Additionally, it supports Network Address Translation (NAT) and Port Address Translation (PAT), along with Transport Layer Security (TLS) and Secure Real-Time Transport Protocol (SRTP) to encrypt both SIP signaling and media streams. By tackling prevalent security issues in enterprise VoIP, the SIParator provides organizations with a secure and reliable communication landscape. Its adaptability and dependability not only enhance communication frameworks but also position it as a top choice for businesses aiming to improve their communication systems. Ultimately, the SIParator stands as a critical asset for organizations seeking to modernize and secure their communication infrastructures.

AudioCodes introduces the Mediant Cloud Edition (CE), a cloud-native Session Border Controller (SBC) designed to provide scalable, secure, and cost-effective voice and video communication solutions in virtualized environments. With its automatic elasticity feature, the Mediant CE can dynamically adjust resources based on real-time traffic demands, ensuring optimal performance without requiring manual intervention. Built on the same core code as AudioCodes' physical SBCs, it boasts extensive SIP interoperability, advanced media processing functions such as transcoding, and robust security protocols. Its microservices architecture, coupled with a scalable media cluster, facilitates the swift and economical launch of new communication services. Additionally, the installation process is streamlined through native tools like AWS CloudFormation, which integrates effortlessly into existing automation and DevOps frameworks, thereby improving operational efficiency and adaptability to market shifts. As a result, the Mediant CE stands out as an exceptional choice for organizations aiming to enhance and modernize their communication systems, ensuring they remain competitive in a rapidly evolving technological landscape.

The Cisco Unified Border Element (CUBE) functions as a powerful Session Border Controller (SBC) aimed at enterprises, providing a secure, scalable, and flexible solution for voice and video communications between corporate networks and SIP trunks from providers. It performs four crucial functions: managing sessions, enforcing security, facilitating protocol interworking, and defining network boundaries. By ensuring signaling compatibility between SIP and H.323 protocols, CUBE oversees media interworking, which encompasses DTMF, fax, modem support, and codec transcoding, all while carrying out address and port translations to maintain privacy and obscure network architecture. In addition to these core capabilities, it includes features like billing and call detail record (CDR) normalization, quality-of-service (QoS) enhancement, bandwidth management, and media services that support forking and proxying. Furthermore, CUBE can be deployed on Cisco routers or as a virtual solution on Cisco UCS servers, allowing for centralized, distributed, or hybrid deployment models that cater to various organizational requirements. This flexibility ensures that businesses can adapt their communication systems seamlessly to address changing needs and technological advancements. Consequently, CUBE is a vital component for companies striving to optimize their communication infrastructure and improve overall operational efficiency.

The Ribbon SBC Software Edition (SBC SWe) serves as a flexible, cloud-centric Session Border Controller designed to improve and secure real-time communications across multiple deployment configurations. It offers the full range of features available in Ribbon's hardware models, such as the SBC 5400 and SBC 7000, including advanced audio codec transcoding, signaling interworking, call admission control, and strong security measures, which encompass encryption and protections against Denial of Service attacks. The SBC SWe can function as a Virtual Machine (VM) on typical industry servers located in data centers, operate as a Virtual Network Function (VNF) within private clouds utilizing OpenStack, or be deployed on public cloud services such as Amazon Web Services (AWS), Microsoft Azure, and Google Cloud Platform (GCP). This versatile deployment strategy allows businesses to effectively scale their communication systems without sacrificing security or performance. Furthermore, the SBC SWe's cloud-native design facilitates straightforward integration with existing systems and processes, encouraging smooth communication across a variety of environments. As a result, organizations can benefit from enhanced operational efficiency and improved collaboration, making it a valuable asset for modern communication needs.

The Perimeta Session Border Controller (SBC) from Alianza is a fully software-driven, cloud-native solution designed to provide secure, scalable, and flexible voice and multimedia communication services. It supports multiple deployment scenarios such as VoLTE, VoNR, SIP trunking, and direct routing for Microsoft Teams, making it suitable for use in fixed-line, wireless, and enterprise interconnect environments. Utilizing a zero-trust security framework, Perimeta delivers outstanding protection for cloud infrastructures. The innovative separation of media and signaling planes allows for precise scaling to meet varying demand levels effectively. Additionally, it features a secure distribution engine (SDE) that aids in efficient load balancing, along with distributed admission management (DAM) to streamline large-scale implementations. This SBC is compatible with a variety of cloud environments, whether public, private, or hybrid, and can be deployed on platforms like AWS, Azure, OpenStack, VMware, and ATCA hardware. This adaptability guarantees that organizations can select the most suitable environment tailored to their unique requirements, thereby improving both operational efficiency and security. By embracing such a versatile solution, businesses can also future-proof their communications infrastructure, ensuring it remains effective and resilient against evolving challenges.

Cataleya's Orchid Link functions as a versatile, software-based Session Border Controller (SBC), designed to enhance real-time communication for both enterprises and service providers. It offers various deployment options, including on-premises installations and as-a-Service solutions, to meet diverse operational needs. The integration of WebRTC gateway capabilities allows seamless incorporation of web-based voice and video communications into existing SIP infrastructures, which facilitates the extension of communication services to web browsers while minimizing the need for extensive core infrastructure upgrades. Furthermore, the SBC emphasizes security through the use of DTLS for the secure initiation of sessions and SRTP for encrypting media, which protects interactions between WebRTC endpoints and SIP networks. Its advanced service-aware firewall serves as a proactive measure against potential cyber threats, ensuring that communication remains uninterrupted and secure. By delivering such a robust solution, Orchid Link significantly boosts communication efficiency and security for contemporary organizations, making it an essential tool in today's digital landscape. Ultimately, this adaptability and focus on security make Orchid Link a pivotal component for businesses looking to thrive in an increasingly connected world.