| Subject | English | Spanish |
| commun. | least cost routing | selección automática de rutas |
| commun. | least cost routing | selección automática de ruta |
| commun. | least cost routing index | índice de encaminamiento de costo mínimo |
| comp., MS | least-cost routing | enrutamiento de menor costo (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) |