A somewhat typical telepresence and videoconferencing exchange connecting disparate networks so inter-company video can flow at high quality True telepresence requires crystal clear high-definition video to maintain the illusion that participants are in the same physical space.  Lost or delayed IP packets and/or packets that arrive out of sequence cause video codecs to seize up and display video artifacts on the screen and/or clipped sound that can annoy and jolt participants out of their immersive experience.  While most network operators have the ability to maintain exceptional quality on their own networks they need to connect to other networks to enable high quality inter-company telepresence and videoconferencing sessions with their customers' partners, vendors, and clients.  Telepresence and Videoconferencing Exchange Providers are Service Providers that connect together disparate networks while maintaining QoS so that video traffic can flow without compromising video quality.  Many…