Charge for a telephone call; the fee billed for voice calls.
今月は通話料が思ったより高かった。
This month's call charges were higher than I expected.
国際通話の通話料はプリペイドより割高だ。
International call charges are more expensive than with prepaid plans.
無料通話アプリの普及で通話料が減ってきた。
With the spread of free-call apps, call charges have been decreasing.