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VCON Video Communication Bridge

Please note: VCON was purchased by ClearOne in 2012. Please see ClearOne Solutions for the newest systems & equipment.

Multipoint Conferencing and Streaming Network Appliance for IP networks

The VCBProHD is a high definition MCU that integrates multipoint conferencing, advanced video management capabilities, cascading, video recording, streaming and scheduling in a single, cost-effective appliance.

An all-in-one solution that optimizes your enterprise’s videoconferencing network, the VCBProHD includes an embedded MXM as well as features such as Continuous Presence intelligent conference layouts for up to 25 participants at a time and a special Presenter Mode for remote education and other vertical markets. Additionally, the VCBProHD includes all the latest audio, video and data algorithms and offers full transcoding for both video and audio, ensuring that calls involving standards-based videoconferencing endpoints connect and operate smoothly. With minimal latency, the VCBProHD operates efficiently in harsh network environments, under rigorous conditions.

The VCBProHD is scalable and offers a unique and configurable auto-cascading capability across multiple VCBs for larger conferences.

Advanced Management System and Gatekeeper

The VCBProHD includes an embedded MXM, Emblaze-VCON’s award-winning, full-feature management tool, for exceptional video network management and total gateway functionality for legacy and advanced technologies. From a single console in the office, home or on the road, it provides the ability to configure, monitor, manage, upgrade and enforce company conferencing policies on any videoconferencing client in the organization.

The MXM also offers a full suite of tools for centrally managing and administering bandwidth requirements as well as QoS prioritization for each endpoint, a billing engine and reporting capabilities.

Full video telephony features include: follow-me, forward when busy, no answer, pick-up, easy dialing to systems outside the organization and directory listing.

WMV Recording and Streaming

Now offering high definition, WMV session recording, the VCBProHD enables every videoconference session to be recorded, stored and forwarded, allowing even absent colleagues to remain fully updated instantaneously and providing definitive session records. The VCBProHD also contains the unique WMV streaming feature that allows live streaming of point-to-point or multipoint conferences while hundreds or thousands of other users can watch the stream through a simple viewer application.

Using Emblaze-VCON’s free-of-charge Broadcast Viewer, anyone on the network can see what sessions are being broadcast and can view the appropriate one.

Web-based Manager and Moderator

The VCBProHD Manager offers full-featured, web-based applications for scheduling, status monitoring, configuration and conference moderation capabilities. During conferences, managers have chair control options, and can change display layouts. Additional conference moderation capabilities include adding/removing participants, and starting/stopping multicast streaming of the conference. Administrators can also set up call services which are used to connect multipoint calls. The Manager interface is intuitive, user-friendly and can be viewed in several different languages.


  • Video transcoding for H.261, H.263 and H.264 in 1080p, 720p, 4CIF and CIF resolutions in Voice Switching and Continuous Presence
  • AAC-LD audio support with transcoding
  • Recording and streaming capabilities
  • Resource pool of up to 36 participants at any number of conferences with max. bandwidth of 6Mbps
  • Continuous Presence allows users to see up to 25 participants on screen.
  • Password Protected Conferences
  • Multilingual Voice Notifications
  • MS Outlook integration for fast and easy scheduling
  • VCBProHD Cluster Mode to ensure continuous operation
  • Allows mixed H.323 and SIP endpoints in a single multipoint
  • Conference and ISDN thru external Gateway
  • Supports Emblaze-VCON’s Broadcast Viewer for viewing
  • VCBProHD recorded and streamed sessions
  • Special Backup & Recovery engine


Model Name 12 24 36 48
No. Of User Ports 12 24 36 48
Gatekeeper Size 25 50 50 100
Web Based Management Yes Yes Yes Yes
Streaming Yes Yes Yes Yes
Software Subscription Yes Yes Yes Yes
Data Sharing Yes Yes Yes Yes


Communication Standards

ITU-T Standards
H.323, H.350, H.239, H.235

Audio Standards
20Khz AAC
14Khz G.722.1 Annex C
7Khz G.722, G722.1
3.4Khz G.711, G723.1, G728, G.729
Audio Transcoding

Video Standards
H.264, H.263++, H263+, H.263, H.261
CIF, 4CIF, 720p, 1080p
H.239: VGA, SVGA, XGA, 720p
H.281 Annex Q (FECC)
Full video and H.239 transcoding

Data Rate
30fps up to 6Mbps/participant (H.263, H.264)
30fps up to 1Mbps/participant (H.261)

Global Address Book
MXM User Groups

Scalability and Performance
Up to 36 ports in CP or VS based on resource pool limitation
Licensed in 12-port increments

Scheduling Calls/Groups
- Express Mode
Time zone coordination
Resource reservation
MS Outlook integration
- Point to point
- Multipoint
- Recurring
- E-mail notification
User ID/Password authentication
Add/remove participants
User roles and permissions
Group Management
Services configuration
Chair Control Modes
- Lecture mode
- Text Messages
- Fixed
- Automatic Layout Transition
- Dominant Speaker
- CIF: 3000 hours, 4CIF: 2000 hours
- 720p: 1000 hours, 1080p: 500 hours
Service/conference configuration
- VS or CP
- Number of participants
- Password protected conferences
- rich, intelligent layouts
- Audio algorithm
- Conference data rate

MXM Admin

Event Log

Gatekeeper Compatibility
Emblaze VCON MXM
Any Standard H.323 Gatekeeper

H.235 (AES) Encryption

Quality of Service (QOS) Features
IP Precedence
RTP/RTCP Port range configuration
H.245 port range configuration

High Availability Features
Hard Drive : RAID 1 (mirroring)
Memory : 12Gb
NIC: 4x 10/100/1000 Gb Ethernet
Redundant Power Supply
Front LCD in some of the models
Software Service Watchdog
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