User manual VCON VCBPRO 6.0

[. . . ] Top Conferencing Systems VCB VCBPro Getting Started Guide Version 6. 0 DOC00079 Rev. 6. 0 09. 07 ii Emblaze-VCON VCB User's Guide © 2007 Emblaze-VCON Ltd. No part of this document can be reproduced or transmitted in any form or by any means electronic or mechanical - for any purpose without written permission from Emblaze-VCON Ltd. All other product names are trademarks or registered trademarks of their respective companies or organizations. Limited Warranty Emblaze-VCON Ltd. [. . . ] The maximum number of routers (hops) that the SDP announcement for this session may pass through. Video Refresh Rate Media Packets TTL SDP Rate SDP TTL Emblaze-VCON VCB Getting Started Guide 23 4 Setting Up the VCB Layouts In the Layouts tab, define the layout for displaying multiple users on the screen at the same time. VCB Service - Layouts Choose the type and if necessary, scheme for the layout: Display one user at a time. Display changes automatically depending on the number of users in the conference. 1->2->3->2*2->3*3->4*4 1 = 1 user 2 = 2 users 3 = 3 users 2*2 = 4 users in 2 rows 3*3 = 5-9 users in 3 rows 4*4 = 10-16 users in 4 rows. 2->2+8 When over 2 users participate, one row of 2 users and another row of 8 windows open; each additional user appears in a window and unused windows remain empty. 24 Emblaze-VCON VCB Getting Started Guide 4 Setting Up the VCB 1->1+5->1+7 1=1 user 1+5=2-6 users 1+7=7-8 users. Display users in the same layout scheme regardless of the number of the users in the call. In the Schema list, choose the layout. Emblaze-VCON VCB Getting Started Guide 25 4 Setting Up the VCB Media The Media tab contains the settings for audio formats, video formats and dual-video streaming. VCB Service - Media Audio In the Audio list, select the codecs that are available for conferences using this specific VCB Service. Checking all or specific audio codecs will make VCB to mix (transcode) these codecs. Video Video Codecs The video codecs (H. 261, H. 263, H. 264) used in the conference. Checking 2 or all video codecs will make VCB to mix (transcode) these codecs and will enable participants to join the conference at their system's best capabilities. 26 Emblaze-VCON VCB Getting Started Guide 4 Setting Up the VCB Max Resolution The size of the transmitted video images in outgoing Out direction: · 720p (VCBPro Only) - is a short name for a category of High Definition video modes. The number 720 stands for 720 lines of vertical display resolution, while the letter p stands for progressive scan or noninterlaced. CIF uses 352 X 288 pixels resolution. · · Keep Aspect Ratio Check this option to keep the original aspect ratio of connected sites. Otherwise, VCB will stretch the video image to fit the layout window. Dual Video End points that support Emblaze-VCON's HD DualStreamTM (vPoint HD, HD5000, HD4000, HD3000 and HD2000) or other dual-video capability can send video and data streams simultaneously to a multipoint conference through the VCB. During a conference, end points supporting HD DualStream can view documents, graphics, and presentations as the main image, while the video appears as a PIP inset on the screen. Format Video Format/ Size The video codec (H. 261, H. 263, H. 264) used by the streaming source. The available formats are: CIF (Common Interchange Format), or normal size - 352x288 VGA - (Video Graphics Array) 640x480 4CIF (4 x CIF) - 704x576 SVGA (Super Video Graphics Array) - 800x600 XGA (Extended Graphics Array) - 1024x768 Emblaze-VCON VCB Getting Started Guide 27 4 Setting Up the VCB Send second video channel to legacy devices If a receiving end point does not support dual streams, it receives only the stream carrying the shared data application. However, the data appears in video format. If data sharing takes place during a multicast conference, When streaming send the multicast session's Participants receive the data stream only. second video channel 28 Emblaze-VCON VCB Getting Started Guide 4 Setting Up the VCB QoS The QoS tab contains properties for controlling the type of Quality of Service that will be used for transmitting packets during a multipoint conference that's initiated using this VCB Service. VCB Service - QoS Priority Type (QoS) Select the type of QoS used for transmitting packets during heavy network congestion conditions. No Priority IP Precedence Network transfers packets using normal Best-effort (or Routine) packet transmission. Network gives priority to certain types of bits (video, audio, control) according to the eight levels of IP precedence. Network transfers packets according to specific needs of the sending application. Diffserv Emblaze-VCON VCB Getting Started Guide 29 Priority Values Video, Audio and RTCP Priority For each packet type, select an appropriate priority level. The item with the highest priority number will be sent first, the item with the next highest number will be sent second, and so on. The priority levels vary, depending on whether the selected Priority Type is IP Precedence or Diffserv. Defaults Click to restore the default QoS configuration. Advanced In the Advanced page, define additional parameters required by the VCB for managing multipoint conferences. VCB Service - Advanced Defaults Click to restore the default configuration for the associated set of parameters. 4 Setting Up the VCB Encryption Method Choose the mode of encryption for conferences using this service. [. . . ] clearevents Command Syntax Description Command Syntax Description 60 Emblaze-VCON Guide 10 SSH Commands Command Syntax Description Parameters getparam getparam <param> Retrieve the specified parameter. dhcp <0-3> - Display DHCP-defined IP configuration of the specified NIC, and if it's enabled or disabled. Command Syntax Description Parameters getvcbadminparam getvcbadminparam <1> <param>. For example: getvcbadminparam 1 password 1234 Command Syntax Description getvcbridgeparam getvcbridgeparam <param> Retrieve the specified VCB parameter. [. . . ]