Table Of Contents
Release Notes for Cisco IPVC 3511 MCU, Cisco IPVC 3511 MCU with EMP (E), and Cisco IPVC 3540 MCU Release 4.2
Revised: January 30, 2006, OL-9367-01
These release notes describe the new features and caveats for Cisco IPVC 35xx MCU Release 4.2 for the following Cisco products:
•Cisco IPVC 3511 Multipoint Control Unit (MCU)
•Cisco IPVC 3511 Multipoint Control Unit (MCU) with EMP (E)
•Cisco IPVC 3540 Multipoint Control Unit (MCU) module
Use these release notes with the Administrator's Guide for Cisco IPVC 3511 MCU and Cisco IPVC 3540 MCU Module Releases 4.0, 4.1, and 4.2.
Note In this document, these products are referred to as Cisco IPVC 35xx MCU unless otherwise noted.
Note To view the release notes for previous versions of Cisco IPVC 35xx MCU, go to: http://cisco.com/en/US/products/hw/video/ps1870/prod_release_notes_list.html
You can access the latest software upgrades and release notes for all versions of Cisco IPVC 35xx MCU on Cisco Connection Online (CCO) at the following URL:
These release notes include the following topics:
The Cisco IPVC 35xx MCU is a high performance multipoint video conferencing and media processing system that provides extensive audio and video processing capabilities and web-based conference monitoring and management. The Cisco IPVC 35xx MCU supports a wide range of telephony protocols and media communication networks and is fully interoperable with other video conferencing network devices.
This section includes the following topics:
You cannot upgrade directly from Cisco IPVC MCU Release 2.x to Release 4.x. You must first upgrade to Release 3.5; then, upgrade to Release 4.x.
New and Changed Information
There are no new features in this release.
Caveats for Cisco IPVC 35xx MCU Release 4.2
This section includes the following topics:
Resolved Caveats for Cisco IPVC 35xx MCU Release 4.2
The following issues have been resolved since Release 4.0:
•When working with transcoding services, See you see me mode operates correctly if the current speaker uses a different video codec than the previous speaker.
•When using the Cisco IPVC MCU in CP4 asymmetric mode, the dynamic layout jumps from 1 to 4 (single screen to CP) when the second participant joins.
•Rate matching with more than one output operates correctly.
•Locked participants in a voice activated single screen conference display correctly.
•H.235 and H.239 interoperability issues with Aethra endpoints are resolved.
•Video flickering issues are resolved.
•Conference statistics in static conferences refresh correctly.
•The Participant List always displays correctly.
•Cascading operates correctly with Fast Start and tunneling.
•A disconnected participant correctly displays with no delay.
•Cisco IPVC MCU memory leak issues when using the DCS are resolved.
•The Cisco IPVC MCU operates correctly when the number of MCU ports is modified in the DCS.
•Issues occurring when over 40 services are used are resolved.
•Calls with large SIP headers connect correctly.
•Calls no longer disconnect when the SIP message Transport field is set to TLS.
•Standard Alternate Gatekeeper support in a Cisco setup operates correctly.
•Voice activated mechanism operates properly in muted scenarios.
•Encryption works with an H.239 service using more than one video scheme.
•The Cisco IPVC MCU now registers to the SIP proxy without the SIP proxy needing to rebooted or restarted and is already running.
•H.264 support functions with SIP.
Open Caveats for Cisco IPVC 35xx MCU Release 4.2
Table 1 describes possible unexpected behaviors by Cisco IPVC 35xx MCU Release 4.2 and is sorted by category type.
•If an error message reports no resources available when trying to create a conference, check in the Registered MPs tab whether the appropriate MPs are registered or online, including VPS, EMP, DCS, and local MCU MP unit.
•When the Windows Start Navigation sound is enabled, a continuous clicking sound is heard when the Conference Control interface automatically refreshes. Disable this sound in the Sounds and Multimedia configuration of the Control Panel.
•The Conference Control web interface operates in polling mode and updates every 10 seconds. To refresh information on the screen, choose again the tab that you are currently viewing. Pressing the browser Refresh button causes you to exit from the Conference Control and displays the login screen.
•The Conference Control and Login screens are best viewed in full screen mode (1024 x 768 fps).
•The Cisco IPVC MCU allows you to open multiple Conference Control browser windows at the same time. To avoid confusion and performing operations on the wrong conference, we recommend that you close windows in which you are not currently working.
For additional troubleshooting information, see the Troubleshooting chapter in the Administrator's Guide for Cisco IPVC 3511 MCU and Cisco IPVC 3540 MCU Module Releases 4.0, 4.1, and 4.2 at the following URL:
•For administration documentation, see the Administrator's Guide for Cisco IPVC 3511 MCU and Cisco IPVC 3540 MCU Module Releases 4.0, 4.1, and 4.2 at the following URL:
•For additional information about Cisco MeetingPlace products or about obtaining documentation or technical support, see the Guide to Cisco MeetingPlace Conferencing Documentation and Support at the following URL:
•For information about Cisco IPVC 35xx MCU functionality related to Cisco CallManager 4.1 see Cisco CallManager 4.1 documentation at the following URL:
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This document is to be used in conjunction with the documents listed in the "Related Documentation" section.
Any Internet Protocol (IP) addresses used in this document are not intended to be actual addresses. Any examples, command display output, and figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses in illustrative content is unintentional and coincidental.
© 2006 Cisco Systems, Inc. All rights reserved.