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The Future of Mission-Critical Communications: From Coverage Challenges to Continuous Assurance Mission-critical communications has firmly emerged as one of the defining themes shaping the industry in 2026. From the global stage at Mobile World Congress 2026 to the UK-focused discussions at BAPCO Annual Event 2026, one message is clear: the expectations placed on public safety networks are increasing faster than ever before. As organisations transition from legacy systems to broadband technologies, the challenge is no longer just about enabling connectivity—it’s about guaranteeing performance, resilience, and trust in real-world conditions. Voice Remains the Foundation—But Expectations Are Evolving While data, video, and AI-driven capabilities are rapidly expanding, mission-critical voice still underpins emergency operations. However, moving from TETRA to LTE and 5G introduces new challenges: Less predictable coverage Increased dependency on network conditions Greater variability in user experience For emergency responders, this shift is not just technical—it’s operational. The need is no longer just connectivity, but guaranteed performance in real-world conditions. Coverage and Resilience: The Reality Behind the Transition One of the biggest misconceptions is that modern networks automatically outperform legacy systems. In reality: Higher-frequency networks (4G/5G) create more localized coverage gaps Indoor performance remains a significant challenge Network changes often lead to user-perceived degradation, even when overall performance improves At the same time, resilience is evolving from: Single-network reliability → Multi-layered service assurance This means organisations must move beyond infrastructure and ask: “How do we continuously verify that services are actually working for the end user?” SmartViser Approach: From Validation to Continuous Assurance To successfully transition to broadband mission-critical communications, organisations must address two key needs: Validate and test services before deployment Continuously monitor and assure performance in live operations SmartViser supports both phases with a comprehensive, device-based approach. 1. Active Testing – Validating Mission-Critical Services Before Deployment Before any rollout, it is essential to validate that mission-critical services perform as expected under real conditions. With viSer Neo and viSer Neo+, SmartViser enables: End-to-end testing of MCX services, including: Push-to-Talk (MCPTT) Data services and application performance Measurement of key KPIs such as: Call setup time Mouth-to-ear latency Audio quality (POLQA-based MOS) Data throughput and latency Execution of automated, repeatable test scenarios across: Lab environments Field conditions Mobility and drive testing With viSer Neo+, operators can go even deeper: Low-layer signalling analysis RF measurements and cell-level insights Advanced troubleshooting and optimisation Outcome: Ensure mission-critical services are fully validated, benchmarked, and ready for operational use before deployment. 2. Service Assurance – Continuous Monitoring in Live Networks Validation alone is not enough. Once deployed, services must be continuously monitored to ensure consistent performance over time. SmartViser enables full service assurance through: viSer Tempo – Active Monitoring Continuous execution of automated test scenarios Real-time validation of service availability and performance Early detection of degradation before it impacts users viSer Mateo – Passive Monitoring Collection of real usage data from operational devices Insight into actual user experience and environmental conditions Identification of trends, anomalies, and intermittent issues Outcome: From periodic testing → continuous, real-time assurance of QoE and QoS Customer Story: ACMOSS and the French RRF Programme A strong example of this approach in action is ACMOSS and the deployment of the Réseau Radio du Futur (RRF)—France’s nationwide mission-critical broadband network. To ensure performance and user experience across this complex, multi-operator environment, ACMOSS implemented SmartViser viSer Tempo as part of its operational framework. Key highlights include: Deployment of automated smartphone-based testing farms simulating real user behaviour End-to-end validation of MCX services, including voice, Push-to-Talk and data Measurement of critical KPIs such as: PTT access time Mouth-to-ear latency Audio quality (MOS) Integration into the Network Operations Centre (NOC) for real-time visibility This approach allows ACMOSS to: Continuously monitor service performance across the RRF Detect issues before users are impacted Maintain service continuity and resilience at all times As highlighted in their publication, this data-driven methodology ensures that critical communications remain available and performant across all operators and scenarios. Read the full customer story here:ACMOSS RRF Quality of Experience Article Multi-Bearer Future: Testing the Complexity of Tomorrow The future of mission-critical communications is multi-bearer: 4G / 5G Satellite (LEO constellations) Private networks Wi-Fi and hybrid connectivity This creates a new level of complexity: Dynamic switching between networks Variable latency and bandwidth Increased risk of service disruption SmartViser solutions allow operators and agencies to: Validate performance across all bearers Ensure seamless service continuity Benchmark hybrid connectivity strategies From Reactive to Proactive: A New Operational Model Historically, mission-critical communications have been managed reactively: Issues are reported → investigated → resolved But in a 5G and multi-service world, this model is no longer sufficient. The new model is: Continuous monitoring Early detection of degradation Data-driven optimisation SmartViser enables this transformation by combining: Active testing (viSer Neo / Neo+) Continuous monitoring (Tempo) Real user insight (Mateo) Conclusion: Enabling the Future of Mission-Critical Communications The transition to broadband and multi-bearer communications is inevitable—but success is not guaranteed. To deliver on the promise of: Reliable voice Real-time data Seamless user experience Organisations must adopt a new mindset: From network-centric → experience-centric From reactive → proactive From assumptions → measurable assurance SmartViser enables this transformation by covering the full lifecycle: Validation before deployment (viSer Neo / Neo+) Continuous assurance in live networks (Tempo / Mateo) Meet Us to Learn More Want to explore how SmartViser can support your mission-critical strategy? Join us at the Critical Communications World 2026 in London, taking place 16–18 June. Come and meet our team to discover how SmartViser solutions can help you ensure performance, resilience, and real user experience across your networks. Susie Siouti is the Chief Commercial Officer for SmartViser helping organisations in the Telecommunications industry offer superior end-user quality of experience and service with the introduction of innovative test automation products. Susie has 20 years of experience in the Telecoms industry and in that time has led teams across the world mainly in Testing and Compliance. Holding an MBA from Henley Business School brings a diverse set of skills and expertise, including business acumen, strategic thinking, financial management, sales and marketing expertise, leadership, and innovation. Susie joined SmartViser in 2016, is part of the internal steering committee, responsible for developing and implementing the company's commercial strategy and encouraging a customer-centric culture. The main mission is to help organizations to create value by offering better quality products and services by improving operational efficiency and innovation.

MTEL selects SmartViser to Strengthen Service Quality with Advanced Active Testing Rennes, France / Vienna, Austria – 21st of April 2026 SmartViser, a leading provider of automated testing and quality assurance solutions for mobile networks and devices, today announced that MTEL has selected SmartViser’s viSer Neo and viSer Neo+ solutions to enhance its testing capabilities and ensure superior service quality across its mobile services.   As part of this engagement, MTEL has introduced active testing using SmartViser’s viSer Neo and viSer Neo+ platforms, enabling comprehensive validation of device and network performance under real-world conditions. This initiative reflects MTEL’s continued commitment to delivering reliable, high-quality services to its customers in a competitive and fast-evolving telecommunications environment.   By leveraging viSer Neo, MTEL benefits from scalable, device-based automated testing that replicates real user behaviour across voice, data, and application scenarios. Complementing this, viSer Neo+ provides advanced network measurement and troubleshooting capabilities, including deeper insights into radio and signalling performance. Together, these solutions enable MTEL to gain full visibility into service performance and proactively identify and resolve potential issues.   The introduction of active testing allows MTEL to optimise testing processes, improve consistency in device validation, and accelerate time-to-market for new services and devices. It also enhances their ability to maintain a high level of Quality of Experience (QoE) for end users.   Gilles Ricordel, CEO at SmartViser, commented: "We are delighted to welcome MTEL as a SmartViser customer. The introduction of active testing with viSer Neo and Neo+ will provide MTEL with powerful tools to ensure service quality and performance. As networks become more complex, having real-device, automated testing capabilities is essential to maintaining a superior customer experience."   Milenko Cvijanović, CTO at MTEL, added: "At MTEL, ensuring the quality and reliability of our services is a key priority. By implementing SmartViser’s viSer Neo and Neo+ solutions, we are strengthening our testing capabilities and gaining deeper visibility into network and device performance. This allows us to continuously optimise our services and deliver the best possible experience to our customers."   This engagement also provides a strong foundation for future expansion, including broader automation use cases and enhanced analytics to support ongoing service optimisation.   About SmartViser SmartViser is a leading provider of automated testing and quality assurance solutions for mobile networks and connected devices. Through its viSer suite, SmartViser enables mobile operators, device manufacturers, regulators, and test laboratories to measure, validate, and optimise Quality of Service (QoS) and Quality of Experience (QoE) across a wide range of environments, including 5G, private networks, and mission-critical communications. With advanced automation, real-time analytics, and scalable testing capabilities, SmartViser helps ensure consistent performance, faster time-to-market, and compliance with evolving industry and regulatory requirements. Press Contact SmartViser SmartViser Susie Siouti Chief Commercial Officer  info@smartviser.com www.smartviser.com About MTEL MTEL, part of Telekom Srbija Group, provides mobile and TV services in Germany, Austria, and Switzerland, with a strong focus on the ex-Yu community. In Austria, the company also offers home internet services. MTEL’s core strength lies in its attractive roaming and international offerings, with a particular focus on seamless connectivity between the DACH region and the Western Balkans, while also providing worldwide data roaming options. With a commitment to reliability, transparency, and customer-centric innovation, MTEL delivers high-quality telecommunications services, flexible tariffs, and multilingual customer support tailored to the needs of its users.  Press Contact MTEL marketing.at@mtel.at www.mtel.at www.mtel.ch www.mtelgermany.de

SmartViser Announces Strategic Expansion of Shareholding, Strengthening Long-Term Industrial Partnership Rennes, France – 02/04/2026 SmartViser today announces a major milestone in its strategic development, as its long-term industrial partner, Anritsu Corporation (Representative Director and President: Hirokazu Hamada), has decided to further increase its shareholding in the company. Following approval at Anritsu’s Board of Directors meeting on 31 March 2026, Anritsu will acquire an additional 18.28% of SmartViser’s issued shares, building on its existing 32.72% stake established in March 2025. Subject to the completion of customary regulatory approvals and procedures, SmartViser is expected to become a consolidated subsidiary of Anritsu in August 2026. Until the transaction is finalized, both companies will continue to operate independently, with management and business decisions remaining under their respective governance structures. This development represents a natural evolution of the collaboration established between SmartViser and Anritsu over the past year. Since the initial investment, the two companies have worked closely together, combining SmartViser’s expertise in end-to-end test automation, real-world quality of experience validation, and network monitoring with Anritsu’s leadership in advanced telecommunications test and measurement solutions. The strengthened relationship will enable deeper alignment, accelerate joint innovation, and expand the global reach of both organizations. SmartViser has established itself as a trusted partner for mobile network operators, device manufacturers, regulators, and testing laboratories worldwide. Its portfolio spans automated device and network testing, active testing and real-world performance validation, continuous quality of experience monitoring, and compliance with European Union smartphone energy labelling regulations, including the Energy Efficiency Index. This strong foundation positions SmartViser at the forefront of industry transformation, particularly as networks and services become increasingly complex and performance-driven. The enhanced partnership will support accelerated development and deployment across key growth areas, including NTN, mission-critical communications, private and enterprise networks, and connected mobility ecosystems. It will also reinforce SmartViser’s role in supporting sustainability initiatives through energy efficiency testing and compliance solutions, contributing to broader industry efforts toward reducing environmental impact. By combining complementary capabilities, SmartViser and Anritsu share a common vision to improve network performance, enhance user experience, and enable more efficient and intelligent communication ecosystems. This strategic step reflects a shared commitment to innovation and to supporting the transition toward a more connected, sustainable, and data-driven society. SmartViser will continue to operate with its established teams, product roadmap, and customer engagements, while benefiting from increased industrial support and expanded market opportunities. This milestone further strengthens SmartViser’s position as a leading innovator in telecom testing and quality assurance, and underscores its ambition to deliver greater value to customers and partners worldwide. SmartViser SAS Outline Company Name SmartViser SAS Headquarter 12B rue du Patis Tatelin 35700 Rennes, France Representative CEO Gilles Ricordel Established September 17, 2014 Capital €170,980   Learn more about Anritsu You can find more information about SmartViser and its innovative software on the Web at  www.smartviser.com   Press Contact and General Information SmartViser                                      Susie Siouti Chief Commercial Officer  info@smartviser.com

SmartViser supports media with test automation, offering insights to inform readers on industry trends and new product developments. Success stories for media Discover how the media is utilising mobile test automation to provide engaging content on smartphone trends and developments to their audience. Featured success stories Automating battery life testing for more accurate mobile reviews. The challenge Battery life testing procedures run in a semi-automatic manner. All testing was performed manually during office hours. The solution SmartViser used viSer as a test automation solution installed onsite in testing labs. Deployment of a fully automated mobile testing solution for testing the battery life of smartphones. Customised testing procedures that can be precisely defined to meet dynamic changes in technology. The results Shorter testing cycles enable mobile reviews to be released to the readership faster than ever before. Greater emphasis on quality of information gained from improved accuracy of test results. A reliable testing environment for assured accurate results fully comparable with previous test results. Added customisation allows for the identification and investigation of abnormalities during testing phases. Flexible test automation solution that supports easy adaptation to meet future mobile review requirements. They trust us Talk to an expert Success stories overview Arrange a free trial Want help or have a question? Get in touch

SmartViser viSer helps MVNOs boost innovation and reduce costs while ensuring quality with automated testing of QoE and QoS. MVNOs Ensure superior QoE and QoS for all end-users at all times. Overview At SmartViser we offer an array of solutions that help meet the challenges of mobile virtual network operators. From network assessments and benchmarks to device evaluation. Challenges to overcome include _______________________ Evaluate the quality of new mobile services offered by the Mobile Network Operator (MNO) or the underlying infrastructure service provider . Validate the promised Audio MOS performance using an industry-standard process . Accelerate the device acceptance and validation process to launch first . Enhance network optimisation for superior Quality of Experience (QoE). Benchmark service quality and performance with MNO and other MVNOs . Perform service quality health checks and regression testing on MNO change. Confirm compliance with SLA and safeguard the delivered customer experience. Arrange a demo How we solve them We provide full test automation products and solutions. 01 Device agnostic, commercial and development devices. Any device, any chipset, iOS/Android. 02 Comprehensive. Any user action like calls, SMS, MMS, web browsing, video, gaming, data etc... 03 Real-time data analytics with tailor-made dashboards and results plotted in maps. Over 100 KPIs support for device and network. 04 Standalone with no additional equipment required for set up. 05 Scalable with remote control operation. From test to results automatically available in the analytics dashboard without any user action. OUR RESOURCES 6G Blog Learn about the benefits and challenges of 6G. Know more Video Overview Want to see what viSer can do? Check the video! Watch the video Success Stories Discover our main success stories with Telecoms and other industries. Know more Latest News Want to meet us? Discover the events we are attending and exhibiting at. Know more Want help or have a question? Get in touch

SmartViser delivers test automation for operators, OEMs & mission-critical organizations, optimizing testing, QoE, coverage & cost. Innovative Test Automation and Active & Passive Network Monitoring Products and Solutions Covering connectivity, networks, device assurance, non-terrestrial and mission-critical testing for both public & private networks. Talk to an expert Learn what's new Arrange a free trial Discover our Voice Quality benchmark of flagship devices. Get the Report Our mission? Help you release products and services in the market on budget and on time with superior end-user experience and quality Save time Accelerate time to market Increase productivity Optimise testing time by an average of 75% Automate time-consuming and repeatable tests Improve quality Increase test capacity and coverage Run 24/7 testing campaigns Streamline testing processes Test more and smart Reduce costs 1/10th of the cost versus manual testing No additional hardware No complex setup Simple standalone solution Optimise QoE Quickly identify weaknesses with user experience Test as an end-user Get actionable and powerful analytics on results Gain your competitive advantage Press Release SmartViser announces a significant milestone in its strategic development, with Anritsu acquiring an additional 18.28% of SmartViser’s shares, bringing its total shareholding to 51%. Learn More Our solutions Accelerate development and ensure performance with powerful intelligence insights Audio MOS Learn more Device validation Learn more 5G Test Automation Learn more Battery Energy Labelling Learn more Quality of Experience Learn more PTT Performance Learn more Battery Testing Learn more Talk to an expert Learn what's new Arrange a free trial Our testing and consulting services Test as a Service (TaaS) Learn more SFR Test House Learn more EEI Testing Learn more Consultancy Learn more Field Trials / Live Network Testing Learn more ViserMark Learn more They trust us "All the elements we needed to automate our tests were successfully brought together with SmartViser, the support and the test solution. We have doubled our testing load and halved the testing time. We have both won on both sides!" Testing and Validation Team FRENCH OPERATOR View success stories View More