Eksepsi kompetensi absolut sebagai dasar hukum penolakan permohonan pembatalan putusan arbitrase internasional (Studi kasus: PT Global Mediacom, Tbk., vs KT Corporation) = Absolute competence exception as the legal grounds for rejection of the request for the annulment of the international arbitral awards (Case study: PT Global Mediacom, Tbk., vs KT Corporation)