All of them with hundreds of thousands of KMS of fiber optics deployed or leased, and in one way or another are interconnected to share services and coverage. This currently allows to have communication almost anywhere in the world, for example: someone in Europe who makes a video call to Mexico, will surely be using one or all of these networks and using thousands of kilometers of fiber, equipment that uses the TCP / IP protocol and all this to make people feel as if they were centimeters away.