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    Gamma Telecom Ltd

    Gamma Telecom Ltd
    4th Floor
    Holland House
    4 Bury Street
    London
    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

    Standard/Scheme number or name Start Date Expiry Date
    The Metering and Billing Direction 2017 2006-07-05 2027-04-26