Vocal services remain at the heart of operators’ offerings and play an essential role in society. Over the past year, 5G technology has seen impressive growth with large-scale commercial launches, while 2G/3G networks are gradually being phased out. With more than five billion users worldwide, VoLTE technology has become a must for 5G voice and video services. New Calling is gaining importance at the dawn of 5G-A, resulting in rapid evolution and innovation of vocal services.

During the upcoming Mobile World Congress (MWC) Barcelona 2025, Huawei will present its latest advances in New Calling technology, demonstrating how it can allow operators to design an entry service in the era of mobile AI. Huawei’s SVC Solutions Series contributes significantly to the construction of 5G vocal networks. Single Voice Core (SVC), a solution based on a Bare Metal container, is the first in the world to fully converge 2G and 5G vocal services, helping operators to permanently develop their vocal networks. Single Voice Roaming (SVR) applies CS roaming to VoLTE networks, making it an essential tool when abandoning 2G/3G networks. Single Voice Insight (SVI) improves the quality of the network. Finally, Single Voice Bypass (SVB) guarantees the reliability of calls, even in the event of default by peripheral equipment or data transmission. Huawei recently launched the SBC, of Kite type, to ensure local switching and guaranteeing voice services still online.

New Calling, a revolutionary 5G innovation, quickly goes to the commercial use stage. China Mobile, for example, has largely deployed vocal and video services such as Visualized Voice Calling, Fun Calling, and Real-Time Translation. In 2024, these services had attracted 40 million users, which convinced the operator to go from basic voice services to offers richer in content. Internationally, the main operators from Europe, the Middle East, and the Asia-Pacific region also make significant progress in the marketing of New Calling.

In 2025, with the arrival on the market of a larger number of terminals capable of supporting the data channels, users will be able to make interactive calls without having to download applications, and integrate services transparently into calls. The evolution of basic models has enabled Huawei to prepare the launch of the smart call agent, based on its New Calling services. This agent will considerably improve the user experience and help operators transform the telephone keyboard into an access point to a wide range of services supplied by AI.

“New Calling Ushers in a New Era of Service Intelligence” is the theme Huawei will be highlighting at MWC Barcelona 2025. The company aims to demonstrate how New Calling can revolutionize the way we communicate, making calls more interactive and intelligent. This technology is poised to transform the traditional voice call into a multi-functional communication tool, integrating features like real-time translation, video sharing, and more.

The success of the communications sector is based on solid support and significant investments on the part of operators, equipment sellers, flea and terminal suppliers, as well as standardization organizations and sectoral organizations. Huawei will work with all the parties concerned to promote the development of New Calling and create a win-win future for the call sector.

During the MWC 2025, we are delighted to be able to exchange with global industrial partners soon, in order to work together for innovation in the field of smart communications.

For instance, imagine a scenario where a customer calls a customer service representative at a major U.S. retailer. Instead of a traditional voice call, the interaction could be enhanced with real-time video support, allowing the representative to visually guide the customer through a product setup. This is just one of the many practical applications of New Calling technology.

However, the transition to 5G and New Calling technology is not without its challenges. One of the primary concerns is the cost of upgrading infrastructure. Operators will need to invest heavily in new equipment and network upgrades to support these advanced services. Additionally, there are concerns about data privacy and security, as more sensitive information will be transmitted over these networks.

Despite these challenges, the potential benefits of New Calling are immense. By integrating AI and other advanced technologies, operators can offer a more personalized and efficient service. For example, AI-powered call agents can provide real-time assistance, answering customer queries more accurately and efficiently. This not only improves customer satisfaction but also reduces the workload on human agents.

In conclusion, the future of vocal services is bright with the advent of 5G and New Calling technology. As Huawei showcases its latest innovations at MWC Barcelona 2025, the industry will take a significant step towards a new era of service intelligence. With continued collaboration and investment, the communications sector can look forward to a future where voice calls are not just about talking, but about interacting in a more meaningful and intelligent way.