tromboning
n.— «A prime example is the historical monopolisation of the telecoms sector by Telkom. In order to deliver cheaper calls we have been forced to resort to a method called tromboning. Here, we actually re-route calls to international service providers and back to South Africa in order to reduce call costs.» —“Local not so lekker” MyBroadband (South Africa) Feb. 3, 2009. (source: Double-Tongued Dictionary)
Further reading
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