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The call was performed in compliance with 3GPP Release 15 specifications over the 2.5 GHz spectrum band (n41) by utilising a ZTE’s 5G NR base station and a 5G smartphone form factor test device powered by a Qualcomm® Snapdragon™ 5G Modem-RF System.
Voice services are a fundamental offering for mobile operators, and when performed using a 5G network, it is called Voice over New Radio (VoNR). The ability to complete VoNR calls will be an important step in the global mobile industry’s evolution from non-standalone to standalone, as it will allow operators to deliver high-quality voice service without having to rely on VoLTE (voice over LTE) or an LTE anchor.
The 5G VoNR call is the latest in a line of milestones completed by Qualcomm Technologies and ZTE in their ongoing collaboration to support the evolution of 5G. Previously, collaboration between the two companies produced the world’s first end-to-end 5G NR Interoperability Data Testing (IoDT) system demonstrating a data connection based on 3GPP R15 standard in November 2017 in China.
Additionally, the companies completed a live demonstration of 5G network services based on an end-to-end sub-6GHz commercial system in February 2019 in China. More recently, Qualcomm Technologies and ZTE completed the first 5G mobile phone millimetre-wave interoperability test in the country.
“This achievement with ZTE allows us to further support our goal of unlocking 5G’s ability to power worldwide connectivity capabilities,” said Durga Malladi, senior vice president and general manager, 4G/5G, Qualcomm Technologies, Inc. “At Qualcomm Technologies, we are committed to continuing the progression of 5G so we can in turn help drive innovation and economies worldwide.”
“As a long-term partner of ZTE, Qualcomm Technologies is working with us to promote technical verification and commercialisation in the 5G development process,” said Bai Yanmin, general manager of RAN products, ZTE. “ZTE has always maintained an industry-leading position in terms of SA networking solution. This successful 5G VoNR call has taken an important step towards the commercial use of seamless native 5G voice experience, and will also strongly support the construction of 5G SA, so as to offer 5G to more service providers, enterprise users, and consumers.”
As a technology giant, Qualcomm invents breakthrough technologies that transform how the world connects, computes, and communicates. Today, its inventions are the foundation for life-changing products, experiences, and industries. As it leads the world to 5G, it envisions this next big change in cellular technology spurring a new era of intelligent, connected devices and enabling new opportunities in connected cars, remote delivery of health care services, and the IoT – including smart cities, smart homes, and wearables.
ZTE is a provider of advanced telecommunications systems, mobile devices, and enterprise technology solutions to consumers, operators, companies, and public sector customers. Listed in the stock exchanges of Hong Kong and Shenzhen, ZTE sells its products and services in more than 160 countries. To date, ZTE has obtained 35 commercial 5G contracts in major markets, such as Europe, the Asia-Pacific, Middle East, and Africa. ZTE commits 10 per cent of its annual revenue to research and development and takes leadership roles in international standard-setting organisations.
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