International gateway exchange

This article does not cite any sources. Please help improve this article by adding citations to reliable sources. Unsourced material may be challenged and removed. Find sources: "International gateway exchange" – news · newspapers · books · scholar · JSTOR (December 2009) (Learn how and when to remove this message)

In telephony, an international gateway exchange is a telephone switch that forms the gateway between a national telephone network and one or more other international gateway exchanges, thus providing cross-border connectivity.