English translation for "calling exchange"

主叫电话局

Example Sentences:

1.

Local traffic consists of effective ( completed ) calls exchanged within the local charging area in which the calling party is situated 本地话务量由本地收费区间内交换的有效（完成的）呼叫，呼叫方和应答方都位于此区间内。

Similar Words：

"calling density" English translation, "calling device" English translation, "calling dial" English translation, "calling drop" English translation, "calling equipment" English translation, "calling external procedures" English translation, "calling floor" English translation, "calling for bids" English translation, "calling for bids or proposals" English translation, "calling for capital" English translation