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AT&T Services, Inc.
Telstra Corporation Limited
TM TECHNOLOGY SERVICES SDN BHD
Philippine Long Distance Telephone Co.
EPM Telecomunicaciones S.A. E.S.P.
OOREDOO TUNISIE SA
Bharti Airtel Limited
Instituto Costarricense de Electricidad y Teleco..
TELECOMUNICACIONES DE GUATEMALA, SOCIEDAD ANONIM..
Mauritius Telecom Ltd