Other network operators need to be able to deliver traffic to those customers, and so need to be able to interconnect directly or indirectly to each other.
Is gá d'oibreoirí líonra eile a bheith in ann trácht a sheachadadh ar na custaiméirí sin agus, dá bhrí sin, is gá dóibh bheith in ann idirnascadh go díreach nó go hindíreach le chéile.