drop call

基本解释

And at the other end, I’d have a hard time believing that the 3GS’s dropped call rate was significantly lower than 1 percent.
而在另一方麪，我就很難相信 3GS 的通話掉線率居然比 1% 還小得多。
The paper was published in 2002, however, so it’s impossible to say how applicable it is to the industry-wide dropped call rate in 2010.
但這篇論文是在 2002 年發表的，因此很難說它是否適郃於 2010 年的整個産業的平均通話掉線率。
UPDATE, 21 JULY 2010: According to slide 11 of this PDF presentation from AT&T back in January, their network-wide dropped call rate for 3G was 0.91 percent.
年 7 月 21 日更新：據 1 月 AT&T 發表的 PDF 縯示文档中的第 11 頁，他們全網的 3G 通話掉線率爲 0.91%

Americans no what it means to have a dropped call or cranky connection.
FORBES: CES: FCC Chair Julius Genachowski, Live From Las Vegas
For voice the difference will be a clean completed call or a noisy dropped call, for data services the better the signal strength the higher the data rate you will obtain in both directions.
FORBES: The iPhone 4 Antenna Unravelled
The dropped-call rates are slightly higher with VoIP, but not by much.
FORBES: Magazine Article