List of Avaya one-X Customers
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Since 2010, our global team of researchers has been studying Avaya one-X 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 Avaya one-X 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 Avaya one-X for Call Center include: Charter Communications, a United States based Communications organisation with 94500 employees and revenues of $55.09 billion, SNCF, a France based Transportation organisation with 276000 employees and revenues of $45.59 billion, Royal London Unit Trust Managers, a United Kingdom based Banking and Financial Services organisation with 4400 employees and revenues of $13.30 billion, OneAmerica Financial, a United States based Banking and Financial Services organisation with 2500 employees and revenues of $3.84 billion, AIG UK, a United Kingdom based Insurance organisation with 2815 employees and revenues of $2.35 billion and many others.
Contact us if you need a completed and verified list of companies using Avaya one-X, 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 Avaya one-X 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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AIG UK | Insurance | 2815 | $2.4B | United Kingdom | Avaya | Avaya one-X | Call Center | 2010 | n/a |
In 2010 AIG UK implemented Avaya one-X in its Call Center environment to modernize voice and attendant workflows across its European operations. The deployment was positioned as part of broader global and European voice infrastructure projects covering branch relocations and centralized attendant services.
The implementation centered on Avaya one-X attendant functionality, Avaya session manager and system manager administration, and the integration of a Starfish automated directory and provisioning solution. Configuration work included automation for deletion and addition of Avaya telephone users, automated internal directory updates for attendants across Europe, and a self-service portal that reduced basic telephony administration for end users.
Operational integration extended to SIP migration activities, moving branch offices from ISDN to a SIP solution, and coordination with Verizon and third party providers to provisioning and trunking work. The deployment included first day support and ongoing end user support, relocation support for Rotterdam and Istanbul branch offices, and preparation for presence and additional SIP-enabled capabilities.
Governance and process changes emphasized automated provisioning and directory orchestration to streamline telephone user lifecycle management and attendant directory accuracy. Documented outcomes from the implementation included reduced basic telephony administration for end users and reduced call costs while preparing the estate for SIP-based capabilities, all anchored on Avaya one-X in the Call Center category.
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Charter Communications | Communications | 94500 | $55.1B | United States | Avaya | Avaya one-X | Call Center | 2015 | n/a |
In 2015, Charter Communications deployed Avaya one-X for Call Center operations across its corporate contact environment. The deployment is documented alongside Telephony Applications Engineer activity from November 2014 to May 2018, where day to day support responsibilities included ERA, ETS Studio, EWFM, CMS, Symon, Virtual Hold, Oracle DBs and Avaya one-X.
Avaya one-X was implemented as the core telephony application for agent workflows and contact routing within the Call Center environment, with configuration and operational support tied to complementary modules. ETS Studio handled routing and scripting configuration, ERA and CMS provided call event and media management data, EWFM supported workforce management integrations, Symon provided monitoring and alerting, and Virtual Hold supported callback orchestration, while Oracle databases housed configuration and reporting data.
Operational coverage was corporate Call Center applications support, where the Telephony Applications Engineer functioned as the primary governance and operational owner for day to day incident resolution, configuration changes and system monitoring. Integrations explicitly included Oracle DBs and the listed telephony components, and the implementation centered on stabilizing agent telephony, routing, workforce management, monitoring and callback capabilities within Charter Communications call center operations.
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Computershare Voucher Services | Banking and Financial Services | 50 | $13M | United Kingdom | Avaya | Avaya one-X | Call Center | 2018 | n/a |
In 2018, Computershare Voucher Services implemented Avaya one-X in the Call Center category to modernize its contact centre telephony. The deployment targeted contact centre operations and included Avaya One-X Communicator and Avaya 2050 IP softphones, supporting migration of 150 users onto a new telephony platform.
The implementation encompassed telephony system installation and endpoint provisioning for softphone-based agent workflows, with a formal test regime. Testing activities included definition of the test approach, production of test plans and test reports, and active defect management across the rollout window, reflecting structured quality assurance practices for Call Center operations.
Operational governance included telephony requirement workshops with developers and business stakeholders during the first phase of migrating UKAR customers and staff to Computershare's single mortgage service platform. The rollout also produced documentation, communicated new processes, and provided remote agent support to allow contact centre staff to work from home during the Covid-19 lockdown, with the telephony changes aligned to customer and staff migration activities involving an estimated 250k customers, £30 billion of assets, and 1200 staff.
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Professional Services | 1875 | $384M | United Kingdom | Avaya | Avaya one-X | Call Center | 2018 | n/a |
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Banking and Financial Services | 2500 | $3.8B | United States | Avaya | Avaya one-X | Call Center | 2016 | n/a |
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Professional Services | 1400 | $120M | Ireland | Avaya | Avaya one-X | Call Center | 2020 | n/a |
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Banking and Financial Services | 4400 | $13.3B | United Kingdom | Avaya | Avaya one-X | Call Center | 2020 | n/a |
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Professional Services | 3826 | $523M | United Kingdom | Avaya | Avaya one-X | Call Center | 2019 | n/a |
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Professional Services | 11654 | $502M | United Kingdom | Avaya | Avaya one-X | Call Center | 2021 | n/a |
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Transportation | 276000 | $45.6B | France | Avaya | Avaya one-X | Call Center | 2014 | n/a |
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Buyer Intent: Companies Evaluating Avaya one-X
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