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Chapter 2 Optional Configurations
© Polycom, Inc. 61 ViewStation User Guide
Video Format:
• Select QCIF to transmit Quarter Common Interchange
Format (176x144 resolution)
• Select FCIF to transmit Full CIF (352x288 resolution)
Video Protocol: Select a Video Standard
• H.261
• H.263
Note Far-end systems which support the H.263 standard can
receive H.263. For far-end systems that support H.261 only,
the ViewStation automatically adjusts to accommodate
H.261 video.
Audio Mode: Select the preferred audio protocol for transmitting
audio:
• G.728
• G.711u
• G.711A
• G.722-56
• G.722-48
• Off
Frame Rate: Select the preferred video frame rate for the broadcast
transmission:
• 30 fps
• 15 fps
• 10 fps
• 7.5 fps
Note Broadcast configuration parameters should be set to
accommodate the lowest common denominator of the
systems that are receiving the broadcast. For example, if
one system in the conference supports H.261 only,
broadcast should be set to H.261 to ensure all systems
participate in the conference.
Advanced Dialing: If RS-366 Dialing is enabled, the dialing
prefixes are sent for calls from the ViewStation V.35 as numbers and