| Subject | English | Portuguese |
| commun. | least cost routing | rota de menor custo |
| commun. | least cost routing | seleção do caminho mais económico |
| commun. | least cost routing | otimização do caminho |
| commun. | least cost routing index | tabela do encaminhamento pelo custo mínimo |
| comp., MS, Braz. | least-cost routing | roteamento de menor custo (A process that performs reverse number lookup on one-number calls and then routes the call over an IP connection to the public switched telephone network (PSTN) gateway that is nearest to the location of the destination phone number) |
| comp., MS | least-cost routing | encaminhamento de menor custo (A process that performs reverse number lookup on one-number calls and then routes the call over an IP connection to the public switched telephone network (PSTN) gateway that is nearest to the location of the destination phone number) |