Sixbell Telco and Whitestack Expand Cloud-Native Solutions Offering for 5G SA

Telecom Business Review | Friday, May 09, 2025

Successful integration of Sixbell Telco’s PCF and CHF functions for 5G SA networks into Whitestack’s Telco Cloud platform confirms the next-generation cloud-native capabilities of both companies.

Sixbell Telco, a recognized provider of service and signaling platforms for telecommunications operators in Latin America, and Whitestack, a regional leader in the deployment of open-source-based Telco Cloud platforms, announce the successful completion of a technological integration process. This integration enables Sixbell Telco’s SBP (Service Broker Platform), designed under an SBA (Service-Based Architecture), to natively implement PCF (Policy Control Function) and CHF (Charging Function) for 5G SA networks on Whitestack’s Telco Cloud platform. Sixbell Telco reaffirms its relevance in the telecommunications industry through the integration of these functions into Whitestack’s Telco Cloud. This milestone represents a key step in both companies' strategy to strengthen 5G SA networks by combining innovation, flexibility, and scalability for operators in the Latam region.

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This collaboration began in response to the requirements of a Tier 1 operator in Latin America, who entrusted both companies with the challenge. It leveraged Whitestack’s orchestration capabilities and high-performance data plane—based on the latest cloud technologies—along with Sixbell Telco’s flexibility and agility in designing a robust platform using Kubernetes-based containers (CNFs) to optimize charging and policy control. This is a platform that meets both technical and business requirements.

Supporting mobile operators in deploying workloads on cloud solutions is a fundamental aspect of Sixbell Telco’s cloud-native strategy. This announcement marks the achievement of full integration with Whitestack’s Telco Cloud solution, providing telecom operators with a wide range of flexible options to deploy Sixbell Telco’s solutions. It also underscores the ongoing expansion of a telecom ecosystem aimed at freeing operators from legacy monolithic solutions.

Sixbell Telco is currently riding the industry momentum following major announcements from operators adopting cloud infrastructure for critical network functions. This trend is generating substantial interest from traditional operators. To meet this growing demand, Sixbell Telco and Whitestack reaffirm their alliance and offer an ideal combination of high performance and cost efficiency—making the transition to cloud-based solutions a strategic and seamless choice.

“Sixbell Telco’s SBP SBA solution marks a significant milestone in our evolution toward cloud-native architectures,” said Jorge Vera, Product Manager at Sixbell Telco. “The successful integration with Whitestack’s Telco Cloud platform demonstrates our ability to deliver highly efficient and scalable Charging and Policy Control solutions in modern cloud environments.”

Sixbell Telco’s SBP SBA solution is a service-based architecture platform composed of Cloud-Native Network Functions (CNFs) that embrace cloud-native principles, offering charging functions that leverage the inherent benefits of Kubernetes to ensure high availability. This solution operates on Whitestack’s Telco Cloud platform under an automated deployment model.

“One of the key aspects of a Telco Cloud, compared to a regular private cloud, is the ability to use advanced techniques to boost the performance of network functions,” said José Miguel Guzmán, Telco/NFV Business Development Manager at Whitestack. “Each application has its own processing, memory, disk, and traffic profile. With Whitecloud, we have granular control over these aspects, allowing us to provide each VNF or CNF with the optimal hardware configuration to maximize performance.”

Sixbell Telco continues to make a difference in the region by offering solutions that enable operators to move toward cloud-native networks without compromising performance or security. With this integration, Sixbell Telco strengthens its position as a reference in 5G SA network innovation, putting the most advanced technology at the service of operators.

Whitestack, in turn, has positioned itself as a regional leader in open infrastructure in Latin America, driving the region’s digital transformation with its Telco Cloud solution based on open-source technology. It has successfully deployed dozens of Tier 1 data centers, offering a comprehensive portfolio that spans from whitebox networking and high-capacity optical systems to COTS servers optimized for the demanding workloads of the telecommunications sector.

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