
When upgrading from VCB 2000, insert the VCB 2500 Upgrade CD into the
ive and follow the instructions.
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Upgrading From previous version of Software
VCB
1. When upgrading from previous version of software VCB, the MxM must
also be upgraded to version 4.2.
2. Using the MxM installation CD chose the VCB option from the
installation dialog.
Release Notes
Dependencies & Limitations
1. VCB 4.2 can only be installed on English versions of Windows 2000 or
2003.
2. When the VCB is required to work in dual video mode the live video
channel should be configured to CIF.
Interoperability Problems
1. vPoint 5.1 will not receive symmetric or speed matched H261 CP
video.
2. When Polycom ViewStation is in a CP call it displays the last frame
from its previous calls in the unpopulated quadrants.
3. When the VCB is configured to work in dual video mode and XGA video
size, only the latest release of VCON products will be able to view
the second video channel.
Known Bugs
1. When a fixed member from chair control interface exits a conference
the chair control interface does not represent this correctly.
2. Attempting to cascade a VCB services with another MCU service that
have different video codec and/or size will not succeed.
VCON Conferencing Bridge (VCB) 4.1
August, 2003
1. Added support for H.264 in Voice Switching mode for
QCIF/CIF/4CIF/XGA resolutions.
2. Added support for VCON dual-stream and Tandberg DuoVideo calls. The
VCB will allow for only one participant to show his data over the
second video stream.
3. VCON Conference Moderator chair control functions are supported.
4. Support for up to 4MBits calls.
5. G.711 support could be removed so the VCB will force G.722.
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