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Then the signaling and connection procedures of h323 systems were presented finally it was discussed that the new features in h323 version 4 and features.
The latest rev on the popular h323 call signaling spec provides enhanced security, better pstn integration, and support for http service control here's a look.
H323 has been the undisputed leader in voice, video, and data conferencing on packet networks, and version 4 makes strides to keep h323 ahead of the.
H262 or mpeg-2 part 2 is a video coding format developed and maintained jointly by itu-t mpeg-2 video is similar to mpeg-1, but also provides support for interlaced video (an encoding technique used in analog ntsc, pal and secam an i-frame is a compressed version of a single uncompressed (raw) frame.
Support for audio is mandatory, while data and video are optional, but if products claiming compliance with version 4 of h323 shall comply.