G.703 - the basis of all telecommunications networks • G.703 - the basis of all telecommunications networks • G.703, an ITU-T standard that outlines how to interface digital high-speed circuits, has become the basis of all telecommunications n...

Introduction to G.703 • Introduction to G.703 • G.703, an ITU-T standard that outlines how to interface digital high-speed circuits, has become the basis of all telecommunications networks. But it didn’t come about overnight. Alexander Graham ...