noun, noun which may take the genitive case particle 'no'
message-rated
Technical computing term describing a billing model where charges are based on the number of messages or data volume rather than connection time.
このサービスは通話料金制ではなく、メッセージ単位で課金されます。
This service is not message-rated; it is charged per message.
通話料金制のプランでは、送信したデータ量に応じて料金が決まります。
With a message-rated plan, the fee is determined by the amount of data sent.
Compound of 通話 (call, communication), 料金 (fee, charge), and 制 (system). The term is a technical neologism in computing and telecommunications.