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Featured services
Harness innovation to deliver value
Ensure short-term stability as you design a roadmap for new use cases in your industry with emerging technologies.
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Leverage our capabilities to accelerate your business transformation.
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Network as a Service
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Private 5G
Our turnkey private 5G network enables custom-built solutions that are designed around unique use cases and strategies, and deployed, run and optimized through a full network-as-a-service model.
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Managed Campus Networks
Our Managed Campus Networks services transform campus networks, corporate area networks and interconnected local area networks, and connect smart places and industries.
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Cloud and IT Infrastructure
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Cloud Architecture and Modernization
Discover how to achieve your business goals through cloud modernization practices, that deliver improved agility, reusability and scalability.
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Cloud Optimization
Discover how to maximize operational excellence, business continuity and financial sustainability through our cloud-advanced optimization services.
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Edge as a Service
Client stories
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Penske Entertainment and the NTT INDYCAR SERIES
Together with Penske Entertainment, we’re delivering digital innovations for their businesses – including INDYCAR, the sanctioning body of the NTT INDYCAR SERIES – and venues such as the iconic Indianapolis Motor Speedway, home to the Indianapolis 500.
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Using private wireless networks to power IoT environments with Schneider Electric
Our combined capabilities enable a secure, end-to-end digital on-premises platform that supports different industries with the benefits of private 5G.
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Technology Solutions
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Global Data Centers
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Digital Collaboration and CX
IDC MarketScape: Worldwide Datacenter Services 2023 Vendor Assessment
We provide a new kind of intelligent infrastructure to deliver better outcomes through technology.
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Insights
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The Future of Networking in 2025 and Beyond
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Using the cloud to cut costs needs the right approach
When organizations focus on transformation, a move to the cloud can deliver cost savings – but they often need expert advice to help them along their journey
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Make zero trust security work for your organization
Make zero trust security work for your organization across hybrid work environments.
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Copilot for Microsoft 365
Everyone can work smarter with a powerful AI tool for everyday work.
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Global Employee Experience Trends Report
Excel in EX with research based on interviews with over 1,400 decision-makers across the globe.
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About us
CLIENT STORIES
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Liantis
Over time, Liantis – an established HR company in Belgium – had built up data islands and isolated solutions as part of their legacy system.
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Randstad
We ensured that Randstad’s migration to Genesys Cloud CX had no impact on availability, ensuring an exceptional user experience for clients and talent.
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CLIENT STORIES
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Liantis
Over time, Liantis – an established HR company in Belgium – had built up data islands and isolated solutions as part of their legacy system.
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Randstad
We ensured that Randstad’s migration to Genesys Cloud CX had no impact on availability, ensuring an exceptional user experience for clients and talent.
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CLIENT STORIES
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Liantis
Over time, Liantis – an established HR company in Belgium – had built up data islands and isolated solutions as part of their legacy system.
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Randstad
We ensured that Randstad’s migration to Genesys Cloud CX had no impact on availability, ensuring an exceptional user experience for clients and talent.
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NTT DATA and HEINEKEN
HEINEKEN revolutionizes employee experience and collaboration with a hybrid workplace model.
Read the HEINEKEN story -
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Overview
Carrier-grade telephony and support services
If you've invested in Microsoft 365 with Teams as your main communication and collaboration tool, you'll benefit from Operator Connect by NTT. Our reliable, high-quality voice backbone enables seamless, integrated calling and audioconferencing. And you can activate Teams user numbers and call plans quickly and easily from our administration portal. We deliver the world's most comprehensive telephony coverage, with fully regulated telco compliance, offering full PTSN replacement in 40 countries, and emergency services support and Dynamic E911, where applicable.
Available with NTT Extend for Microsoft Teams
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Key outcomes
Key outcomes
Global coverage
Benefit from full PSTN replacement in 40 countries and a selection of flexible call plans to meet your business requirements.
Ease of use
Simple and quick to deploy, it can take just minutes to connect your operator and assign phone numbers to users.
Single, expert provider
Get carrier-grade telephony and conferencing access from a single provider, leveraging our wholly-owned global backbone network.
Leading support
As a single point of contact with access to Microsoft support, we manage and monitor your calling and meetings environment and support your in-house capabilities.
Customized solutions
Our broad capabilities support your full voice and conferencing needs, including compliance recording, video interoperability, contact center, call queue and support services.
Guaranteed reliability
As a Microsoft Gold Partner and global network leader, we offer the reliability and experience organizations require for voice services.
Success stories
Partners
Accreditation
![Microsoft Data AI Azure](/-/media/ntt/global/about-us/our-partners/microsoft/microsoft-data--ai-azure.jpg?rev=4f523e8e36444801b9a48caabd566a5b&h=200&w=305&la=en-US&hash=9FA4B2F71C743D8111A512B521B30EC7)
![Microsoft Digital App Innovation Azure](/-/media/ntt/global/about-us/our-partners/microsoft/microsoft-digital--app-innovation-azure.jpg?rev=12a5161a8f3d4a67a883e41c39db993c&h=200&w=305&la=en-US&hash=B133AEF6CCAEB8A93E322C183DB5CB40)
![Microsoft Expert Partner](/-/media/ntt/global/about-us/our-partners/microsoft/microsoft-expert-partner.jpg?rev=5964a7d86bf34dcea71bf5cf613e5948&h=200&w=305&la=en-US&hash=E7A6147F1F7E01984F6156FF5C0AA1B0)
![Microsoft infrastructure Azure](/-/media/ntt/global/about-us/our-partners/microsoft/microsoft-infrastructure-azure.jpg?rev=938c96f4e50141febb6b75f1a14e6184&h=200&w=305&la=en-US&hash=4771DC1A2957493902904B2EDDD1EA61)
![Microsoft Modern Work](/-/media/ntt/global/about-us/our-partners/microsoft/microsoft-modern-work.jpg?rev=8b9c22a3e21245888716a4c9e50f0127&h=200&w=305&la=en-US&hash=C6BF5059546222410A6739A86788A459)
![Microsoft Security](/-/media/ntt/global/about-us/our-partners/microsoft/microsoft-security.jpg?rev=0eb696bfb3724cd99782c384283ccb64&h=200&w=305&la=en-US&hash=C186EABB8AEC53CD5EE9070CD974DAEC)
Why NTT DATA
1 million+
Cloud Voice and Managed Services users with Microsoft Teams
Number 1
Microsoft Operator Connect partner and top performer for Teams telephony
99.99%
guaranteed service availability
ISO 27001
certified with 29 ISO-certified delivery locations
Insights
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