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How to Create IP Videophone Systems

Today, Internet protocol (IP) based videophones are gaining faster market penetration because of the enhanced capabilities made possible through efficient integration of International Telecommunication Union’s H.264 video compression technology as well as network bandwidth utilization. While audio and video quality are the primary concerns for most users, design engineers must also keep in mind price, ease of use, latency, error resilience, interoperability and compatibility. This paper provides an overview of the market trends driving the demand for video telephony and the components and system considerations for building IP videophones.