The Customer support System (CSS) of the BT Group (previously British Telecommunications) is the core operational support system for BT, bringing in 70% of earnings for the company (figures from 1997). BT rolled out CSS nationally in 1989 and offered an integrated system for telephony-order handling, restore dealing with and billing.[1]

BT Customer support System (BT/CSS) was developed by Logica in 1984, costing £1bn to implement, representing the largest pc venture undertaken in Europe and the biggest built-in database in the world, on the time.[2]

In 2005, the CSS databases deployed by BT handled 23 million prospects, with 13 terabytes of information spread out over 28 mainframe photos. The databases supported 230 million transactions per day generated by over 40,000 users.[3]

CSS is still utilized by BT but it is now controlled by Openreach. BT retail migrated all accounts from CSS to a brand new billing system often called Geneva/Oneview/Avalon. This was to support the migration to WLR3.

^ IngentaConnect Customer support System – past, present and future Archived October 1, 2007, on the Wayback Machine

^ “Customer support and Help – Historical past and Milestones”. January 2015. Archived from the unique on 2018-05-11. Retrieved 2020-07-31.

^ “XML Schema and Web Companies”. British Telecom.

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This page was final edited on 31 July 2020, at 22:28 (UTC).

Customer support System