ViewStation User Guide

Chapter 2 Optional Configurations

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