noun
telephone call charge; call rate
Refers to the fee for a telephone call, typically based on duration or distance. Common in contexts like mobile plans, international calls, and public phones.
国際電話の通話料は高い。
International call charges are expensive.
このプランは通話料が無料です。
This plan has free call charges.
料金 is a general term for 'fee' or 'charge', whereas 通話料 is specifically for telephone calls.
Compound of 通話 (tsūwa, 'telephone call') and 料 (ryō, 'fee'). The reading つうわりょう follows standard on'yomi.