| 单词 | least cost routing |
| 释义 | least cost routingleast cost routingA feature of a telephone system that automatically connects an outgoing telephone call with the telephone service that costs the least to that location at that time of day. Depending on how it is programmed, least cost routing will either drop down to the second most-efficient service if the first is not available, or it will give the caller a busy signal. |
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