List of NTT C-Voice Customers
Tokyo, 100-8116,
Japan
Since 2010, our global team of researchers has been studying NTT C-Voice customers around the world, aggregating massive amounts of data points that form the basis of our forecast assumptions and perhaps the rise and fall of certain vendors and their products on a quarterly basis.
Each quarter our research team identifies companies that have purchased NTT C-Voice for Call Center from public (Press Releases, Customer References, Testimonials, Case Studies and Success Stories) and proprietary sources, including the customer size, industry, location, implementation status, partner involvement, LOB Key Stakeholders and related IT decision-makers contact details.
Companies using NTT C-Voice for Call Center include: JAPAN POST BANK Co., a Japan based Banking and Financial Services organisation with 12219 employees and revenues of $15.26 billion, Osaka Gas Co, a Japan based Utilities organisation with 20961 employees and revenues of $13.79 billion, Jaf Japan, a Japan based Non Profit organisation with 3496 employees and revenues of $513.0 million and many others.
Contact us if you need a completed and verified list of companies using NTT C-Voice, including the breakdown by industry (21 Verticals), Geography (Region, Country, State, City), Company Size (Revenue, Employees, Asset) and related IT Decision Makers, Key Stakeholders, business and technology executives responsible for the software purchases.
The NTT C-Voice customer wins are being incorporated in our Enterprise Applications Buyer Insight and Technographics Customer Database which has over 100 data fields that detail company usage of software systems and their digital transformation initiatives. Apps Run The World wants to become your No. 1 technographic data source!
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| Logo | Customer | Industry | Empl. | Revenue | Country | Vendor | Application | Category | When | SI | Insight |
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Jaf Japan | Non Profit | 3496 | $513M | Japan | NTT Group | NTT C-Voice | Call Center | 2015 | NTT Data |
In 2015, Jaf Japan implemented NTT C-Voice in a Call Center deployment to operationalize speech analytics across its contact centers. The published case documents use of NTT TechnoCross ForeSight Voice Mining to transcribe and analyze contact-center calls, enabling quantitative voice of the customer analysis and structured coaching workflows.
The implementation centered on automated call transcription, voice mining for topic and sentiment extraction, and dashboarding of VOC metrics to inform agent coaching and quality assurance. NTT Data served as the system integrator and NTT Group acted as vendor, indicating an integrated vendor and SI delivery model for configuration, deployment, and operational handover.
Operational scope covered customer service and contact-center operations across Japan, with business functions impacted including customer service management and quality assurance. The case study reports explicit CX outcomes, for example Thank-You Rate rose from about 30 percent to about 50 percent, which the study attributes to improved agent coaching driven by analyzed call data.
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JAPAN POST BANK Co. | Banking and Financial Services | 12219 | $15.3B | Japan | NTT Group | NTT C-Voice | Call Center | 2018 | NTT Data |
In 2018, Japan Post Bank implemented NTT C-Voice, a Call Center application, as part of a broader initiative to digitalize its contact center operations in Japan. The effort focused on introducing NTT Group AI and voice solutions to improve customer experience and reduce agent workload across inbound customer service channels.
NTT C-Voice deployment emphasized voice handling and agent support capabilities typical of Call Center platforms, with configuration to support automated call routing, voice interaction handling, and agent assistance workflows. The engagement also documented deployment of NTT Group ForeSight Voice Mining for voice analytics, with a commercial rollout in January 2021, providing conversation analytics and insight extraction from recorded interactions.
NTT Data acted as the implementation partner for the program, coordinating the integration of voice analytics into the bank's contact center stack and aligning ForeSight Voice Mining outputs to agent desktop workflows and quality assurance processes. Operational scope was centered on Japan and targeted customer service and contact center business functions, with governance oriented to centralized CX improvement and agent workload management.
The program combined NTT C-Voice platform capabilities with ForeSight Voice Mining analytics to instrument call handling and post-call analytics, supporting process adjustments and agent coaching driven by voice-derived insights. The initiative is documented as part of Japan Post Bank's broader adoption of NTT Group AI and voice solutions to enhance contact center performance and customer experience.
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Osaka Gas Co | Utilities | 20961 | $13.8B | Japan | NTT Group | NTT C-Voice | Call Center | 2020 | n/a |
In 2020, Osaka Gas Co deployed NTT C-Voice as an AI automated voice-answering contact-center service, using the Call Center application to handle appointment changes for gas equipment inspections across Japan. The deployment was executed with NTT Communications and leveraged NTT Group voice and contact-center capabilities to provision cloud-hosted NTT C-Voice for automated inbound handling of inspection scheduling requests and related customer queries.
The implementation centered on automated voice answering and natural language intent detection modules within NTT C-Voice, combined with cloud voice routing and agent handoff workflows typical for Call Center platforms. Operational coverage focused on customer service and field operations scheduling, routing appointment-change interactions through automated flows before escalation to agents when required. Governance was coordinated between Osaka Gas customer service teams and NTT Communications, with scripted call flows and process controls to standardize appointment-change handling. The service was reported to improve call-handling efficiency and customer convenience for Osaka Gas customers in Japan.
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