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    The Metering and Billing Direction 2017

    Gamma Telecom Ltd
    4th Floor
    Holland House
    London
    4 Bury Street
    EC3A 5AW
    United Kingdom
    BSI logo

    Certificate Number: KM 96298
    Scope: The National Regulatory Authority's Approval Scheme for Communications Providers' Total Metering and Billing Systems

    Original Registration Date Effective Date Last Revision Date Expiry Date
    2006-07-05 2024-04-27 2024-04-26 2027-04-26