details of specific tariff plan or plans under the contract and, for each such tariff plan the types of services offered, including where applicable, the volumes of communications (such as MB, minutes, messages) included per billing period, and the price for additional communication units;
sonraí de phlean sonrach nó de phleananna sonracha taraife faoin gconradh agus, i gcás gach plean taraife na cineálacha seirbhíse a thairgtear, lena n-áirítear i gcás inarb infheidhme, na méideanna cumarsáide (MB, nóiméid, teachtaireachtaí) curtha san áireamh i ngach tréimhse bhilleála, agus an praghas d'aonaid chumarsáide bhreise,