Least-cost routing
Process of selecting the path of outbound communications traffic based on cost / From Wikipedia, the free encyclopedia
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In voice telecommunications, least-cost routing (LCR) is the process of selecting the path of outbound communications traffic based on cost. Within a telecoms carrier, an LCR team might periodically (monthly, weekly or even daily) choose between routes from several or even hundreds of carriers. This function might also be automated by a device or software program known as a least-cost router.