These release notes describe the features, requirements, restrictions, and caveats for Cisco Unified Video Advantage 2.3. These release notes are updated for every maintenance release and every major release but not for patches or hot fixes.
Cisco recommends that you review this document for issues that might affect your system before you install Cisco Unified Video Advantage.
See Installation Notes for details about downloading the software.
See Open Caveats for a list of open caveats.
See http://www.cisco.com/c/en/us/support/video/unified-video-advantage/products-release-notes-list.html to view release notes for previous versions.
For Cisco Unified Video Advantage to successfully operate as a video endpoint, your network must meet these requirements:
- Voice and video over IP is configured on your Cisco routers and gateways.
- IP network supports DHCP or manual assignment of IP address, gateway, and subnet mask in Cisco Unified Communications Manager.
- IP telephony networks with access control lists and/or firewalls between voice VLANs and data VLANs must be configured so that the access control lists and/or firewalls allow the Cisco Audio Session Tunnel (CAST) protocol to communicate with the Cisco Unified IP Phone and the PC (Cisco Unified Video Advantage) over TCP/IP using TCP port 4224. Bidirectional communication on TCP port 4224 is required.
- Cisco Unified Video Advantage Release 2.3 uses port 21000/21001 for RTP/RTCP by default. This default behavior can be modified. See Configuring RTP/RTCP Ports.
- Cisco Unified Video Advantage Release 2.3 requires four ports to operate; 2 for video RTP/RTCP and 2 for transmitting mute image RTP/RTCP. If port ranges are configured, Cisco Unified Video Advantage will use any ports in that range. If a single port pair is configured, it will use those two ports for video RTP/RTCP and the next two higher ports for mute image RTP/RTCP.
- Cisco Unified Video Advantage requires Cisco Unified Communications Manager to handle video call processing on the Cisco Unified IP Phones: For Cisco Unified Video Advantage operating with Cisco IP Communicator or with a Cisco Unified IP Phone, Cisco Unified Communications Manager Version 7.1 or higher is required. For other supported Cisco Unified Communications Manager releases, see Compatibility Matrix.
- Quality of Service is properly configured on your network to provide prioritized treatment of the audio and video streams. For details, see http://www.cisco.com/en/US/products/sw/voicesw/ps556/products_implementation_design_guides_list.html.
- Cisco IP Communicator (Release 7.0 or later) or video-enabled Cisco Unified IP Phone are installed and configured on your IP network with phone loads that support video. The client PC must be connected directly to the Cisco Unified IP Phone.
- Using Cisco Unified Video Advantage with Cisco IP Communicator for video calls over a corporate wireless LAN might result in poor audio and video quality and is not supported. Video calls can be placed or received on a remote wireless LAN connection with a minimum broadband link of 300kbps/300kbps (500kbps recommended). For best results, we recommend that you use Cisco Unified Video Advantage over a wired Ethernet connection whenever possible.
The computer on which the Cisco Unified Video Advantage software is installed must meet the specifications listed below.
Cisco Unified Video Advantage is not supported in VMware, Citrix, Terminal Services, Remote Desktop or other thin client environments.
Cisco Unified Video Advantage 2.3(2) removes support for Microsoft Windows XP. It is listed here for reference when used with earlier versions of the product.
Cisco Unified Video Advantage does not support versions of Microsoft Windows or Cisco Unified Communications Manager that are not listed in this document or the Installation and Troubleshooting Guide for Cisco Unified Video Advantage .
Supported Cisco Unified IP Phones
Cisco Unified Video Advantage is supported on Cisco IP Communicator and on all video-enabled Cisco Unified IP Phones running the SCCP and SIP protocols. The phone must be CDP and CAST capable. The computer running Cisco Unified Video Advantage must be connected by ethernet to the supported Cisco Unified IP Phone.
The following phones are supported for use with Cisco Unified Video Advantage:
- Cisco Unified IP Phone 9971
- Cisco Unified IP Phone 9951
- Cisco Unified IP Phone 8961
- Cisco Unified IP Phone 7911G
- Cisco Unified IP Phone 7941G
- Cisco Unified IP Phone 7941G-GE
- Cisco Unified IP Phone 7942G
- Cisco Unified IP Phone 7945G
- Cisco Unified IP Phone 7961G
- Cisco Unified IP Phone 7961G-GE
- Cisco Unified IP Phone 7962G
- Cisco Unified IP Phone 7965G
- Cisco Unified IP Phone 7970G
- Cisco Unified IP Phone 7971G-GE
- Cisco Unified IP Phone 7975G
- Cisco Unified IP Phone 6921
- Cisco Unified IP Phone 6941
- Cisco Unified IP Phone 6961
Cisco Unified IP Phone models 7940G and 7960G have been removed from the support list because they have reached their End of Support date. These models may still work but are no longer eligible for software maintenance that would guarantee future interoperability.
Cisco Unified IP Phone 9971, 9951, 8961, 6921, 6941, 6961 require Phone Firmware 9.1.1. This is supported on Cisco Unified Communication Manager 7.1.3 or higher.
Use phone firmware 8.3(2) and earlier to avoid a delay in associating with Cisco Unified Communications Manager. (CSCsk47200)
Cisco Unified IP Phone models 9971, 9951, 8961, 6961, 6941, and 6921 running SIP loads do not support port ranges. They require that a single port be specified if a non-default port is to be used. One way video will occur otherwise. See Configuring RTP/RTCP Ports.
Cisco Unified IP Phone models 7911G, 7941G, 7941G-GE, 7942G, 7945G, 7961G-GE, 7962G, 7965G, 7970G, 7971G-GE and 7975G are supported only with SCCP loads.
For a list of supported Cisco Unified Communications Manager releases needed with these phones, see the Compatibility Matrix.
If the phone you are using does not appear in the supported list, see the release notes for the phone. You can navigate to your specific phone model from here:
New or existing phones might add support for Cisco Unified Video Advantage after this release of Cisco Unified Video Advantage.
Supported Video Cameras
The following cameras are officially tested and supported by Cisco:
- Cisco VT Camera II (Microsoft Windows XP only)
- Cisco VT Camera III (see Important Upgrade Information for Cisco VT Camera III)
- Tandberg PrecisionHD devices
- Microsoft LifeCam 6000
- Logitech Pro9000
- Logitech HD Pro Webcam C920
Cisco Unified Video Advantage uses standard processes for obtaining the camera input from the operating system. Most standard USB and built-in laptop cameras should work with the application. This list represents those cameras that have been officially tested by Cisco.
Not all cameras are available for all supported operating systems. See your specific camera documentation for supported operating systems.
The camera must be installed and connected to the PC on which the Cisco Unified Video Advantage software is installed. For details about setting up the third-party camera, see the documentation that shipped with the camera. For details about setting up Cisco VT Cameras, see the quick start guides:
In this document, references to the Cisco VT Camera includes both the Cisco VT Camera II and Cisco VT Camera III. The Cisco VT Camera meets all European Union RoHS compliance requirements.
Cisco Unified Video Advantage also provides limited support for other third-party cameras. Limited support includes only camera recognition issues, where the camera is not properly recognized by the Cisco Unified Video Advantage application. For all other issues involving the third-party cameras, Cisco will provide best-effort support. Cisco Unified Video Advantage recognizes other third-party cameras connected to the PC. However, Cisco does not officially support any camera other than those specifically mentioned above and cannot guarantee their performance and behavior (although best effort will be made by Cisco to resolve issues on other third-party cameras).
Supported Video Codecs, Formats, and Bandwidth
Cisco Unified Video Advantage supports these video codecs:
- H.264 video codecs:
- Video formats (up to 30 frames per second):
- Interoperable with most third-party H.323 video terminals from verified IP video telephony partners
All sub-HD resolutions are supported for sending if the resolution whitelist is disabled. Receipt of all sub-HD resolutions is supported regardless of whitelist configuration. See Video Resolution Whitelists for more information on the resolution whitelist.
Cisco Unified Video Advantage is configured to support only H.264 video codecs. For details about customizing video codecs, see the installation and troubleshooting guide:
Users can contact their respective Internet service providers, or if they are advanced users, they can use the DSL Reports internet site (http://www.dslreports.com/stest), and follow the instructions for obtaining upload and download speeds. Users can change the bandwidth settings (Settings->Video Quality…) as a factor of the uplink speed, within the range of 50 kbps to 1 Mbps.
This is only necessary for broadband connections, otherwise the default system settings are sufficient.
After the uplink speed is determined, leave some headroom between the selected bandwidth setting and the capacity of the channel (Location and Region settings in Cisco Unified Communications Manager).
Cisco Unified Video Advantage is compatible with these products:
- Cisco Unified Communications Manager, Releases 7.1, 8.x. and 9.0.
- Cisco Unified Communications Manager Express, Releases 4.0 [IOS Release 12.4(4.XC4)] and 4.1 [IOS 12.4(15)T]
- Cisco Unified Videoconferencing, Releases 4.2 and 5.1
- Cisco Unified MeetingPlace Express, Releases 2.0 and 2.1
- Cisco Unified MeetingPlace, Releases 5.4, 6.0, 7.x and 8.x.
- Cisco VPN Client 5.0.01.0600 or later. Make sure to uncheck (disable) the Stateful Firewall setting.
About Video Quality
Cisco Unified Video Advantage is designed to provide premium video quality under a variety of conditions; however, in some instances users may notice interruptions of video transmission or temporary video distortions (“Artifacts”) which are considered a normal part of the applications operation.
These artifacts should be infrequent and temporary when using:
- Cisco Unified Video Advantage on a workstation meeting the recommended configuration requirements.
- A network that meets the recommended quality criteria in the Cisco Unified Communication Solution Reference Design Document.
- We take reasonable measures to interface with the operating system in ways that decrease the likelihood that other applications running on the system will interfere with video quality. However, the shared nature of system environments in which these products run is very different than a closed environment like Cisco IP Phones and we cannot guarantee equivalent performance.
The following are some conditions that may cause artifacts:
- Spike in usage of the personal computer's CPU - where CPU utilization is between 75 to 100% - due to launching applications, system processes or processing happening within other applications running.
- The system is running low on available physical memory.
- Other applications using large amounts of bandwidth to or from the workstation to the network.
- Other network bandwidth impairments.
- Dynamic reduction in CPU clock speed due to power management policy (for example, laptops running on battery power) or thermal protection causing the CPU to run in a more highly loaded condition.
- Any other condition that causes the application to lose timely access to the network or video system, for example, interference from third-party software.
- Avoiding or recovering from the conditions previously listed will help minimize video distortion artifacts.
For complete documentation for Cisco Unified Video Advantage, see the documentation guide: http://www.cisco.com/en/US/docs/video/cuva/roadmap/cuva_map.html
Cisco IP Communicator documentation: http://www.cisco.com/en/US/products/sw/voicesw/ps5475/tsd_products_support_series_home.html
Cisco Unified IP Phone documentation. You can navigate to your specific phone model from here: http://www.cisco.com/cisco/web/psa/maintain.html?mode=prod&level0=278875240
Cisco Unified Communications Manager documentation: http://www.cisco.com/en/US/products/sw/voicesw/ps556/tsd_products_support_series_home.html
New and Changed Information
Cisco Unified Video Advantage Release 2.3(2) has no new features. See Resolved Caveats for the list of defects fixed in this release.
Cisco Unified Video Advantage 2.3(2) removes support for Microsoft Windows XP. Microsoft Windows XP users must use Cisco Unified Video Advantage 2.3 or earlier.
Cisco Unified Video Advantage Release 2.3 offers the following new features:
Cisco Unified Video Advantage Release 2.2(2) has no new features. See Resolved Caveats for the list of defects fixed in this release.
Cisco Unified Video Advantage Release 2.2 offers the following new features:
- Cisco VT Camera III support
- Ability to choose a camera if your system has multiple USB or integrated cameras available
See Resolved Caveats for the list of defects fixed in this release.
Download Cisco Unified Video Advantage software from the Software Center:
You must register for an account on Cisco.com to access the software download site.
On the download site, the installer packages are offered as a single Zip file, which contain all the files required to deploy the application and the Cisco VT Camera II drivers. Please note, Cisco VT Camera III does not require separate drivers. It uses the camera drivers in your operating system.
The software download site does not contain device drivers for third-party video cameras. These drivers should be provided by the manufacturer.
For step-by-step installation instructions, see the Installation and Troubleshooting Guide for Cisco Unified Video Advantage.
Important Upgrade Information for Cisco VT Camera III
If you are currently using a previous version of Cisco Unified Video Advantage and upgrading to the Cisco VT Camera III, you must upgrade to Cisco Unified Video Advantage version 2.2 or later.
Cisco VT Camera III is a USB Video Camera (UVC) compliant camera which requires no installation drivers, but relies on the Microsoft Windows support of UVC.
Limitations and Restrictions
You should review the following table before you begin working with Cisco Unified Video Advantage. These are known limitations that will not be fixed, and there is not always a workaround. Some features might not work as documented, and some features could be affected by recent changes to the product.
Identifier Severity Component Headline CSCsf21383 2 win32app CUVA hangs and then proceeds to use all available memory (Memory Leak) on Dell workstations. CSCsj22071 2 win32app CUVA 2.0 MTU size causes frame errors on sccp-h323-sccp call setup. CSCso86553 2 win32app CUVA blue screens if checkpoint VPN is running and connected CSCeg06701 3 win32app DeployMan for CVTA needs to put installers in CVTA directory. CSCse13490 3 win32app Video image using VT Camera I with CUVA 2.0 is blocky. CSCse18309 3 win32app Impact on video during call when run with other CPU-intensive software. CSCse35005 3 win32app Video Window Pop-Up Response Time. CSCse35409 3 win32app Shouldn't allow CUVA to launch when CUVA is launched by another user. CSCsh60057 3 win32app 3rd party SIP video phone freeze when calling CUVA with 7970 SCCP phone. CSCsi03781 3 win32app BSOD on HP Compaq nx6110 CSCsi40055 3 win32app Local video does not display. CSCsk47200 3 win32app Takes about 30 seconds to associate with some phones. CSCsk76317 3 win32app High CUVA CPU Usage on minimum requirements AMD desktop. CSCsk87144 3 win32app Upgrade: XP-Vista: No CDPdrv process running if user starts CUVA. CSCsk88647 3 win32app Balloon tooltip for loss of connection is inconsistent. CSCsl24602 3 win32app Vista: DSCP value for Video call set to 0x000000. CSCsl85497 3 win32app No Video Because USB Controller Bandwidth Exceeded. CSCsl85978 3 win32app User sees Assertion Failed when 2.0.3 install on top of 2.1.0. CSCsm81353 3 win32app Video discoloration on native resolution in certain systems CSCso92195 3 win32app VT Camera II is not recognized by CUVA on cold start of machine CSCsz10052 3 win32app CUVA with VPN client 5.0.4 and McAfee HIPS can cause BSOD CSCti45594 3 win32app CUVA clients takes too long to recover from a network link failure CSCtj04033 3 win32app CUVA crashes when unplugging HP Port Replicator on one machine CSCte50761 4 vtcam3 VT3-video from the camera was cut into half CSCte91335 4 win32app Win XP SP3, CUVA camera unable to select the specific UVC compliance ca
Video Resolution Whitelists
Cisco Unified Video Advantage Release 2.3 has been upgraded with the latest Cisco audio and video technology which can support significantly more video resolutions then previous versions of the product. However, some older video endpoints may not be able to support some of the new video resolutions now supported by this release of the product; particularly the resolutions with wide aspect (16:9) ratios. To accommodate for this issue, Cisco Unified Video Advantage Release 2.3 uses a video resolution whitelist, which is enabled by default, that limits outgoing video resolution selection to those resolutions which most video endpoints should be able to decode and display. See Supported Video Codecs, Formats, and Bandwidth for information on video resolutions.
Resolution whitelists can be disabled if the administrator determines interoperability issues will not be encountered. Cisco Unified Video Advantage can transmit and receive any sub-HD resolution up to H.264 Level 3.0 with the whitelist disabled. One of two modes is used when whitelists are disabled:
- Regular - Forces larger resolutions. This can lead to more interoperability issues with endpoints that cannot handle large resolutions.
- Restrictive - Forces smaller resolutions. This avoids most interoperability issues but can lead to poor resolutions with certain types of remote endpoints.
Whitelists are configured using the MSI switch DISABLEWHITELIST with one of the following values:
- 0 - Enables whitelists
- 2 - Disables whitelists and uses Restrictive mode
- (Any other value) - Disables whitelists and uses Regular mode
The following example would disable whitelists and use Regular mode:
msiexec /i CiscoUnifiedVideoAdvantageSetup.msi /qb DISABLEWHITELIST=1
Information on using MSI switches can be found in the Cisco Unified Video Advantage Installation Guide found at:
If the setting for Disable whitelists and use Regular mode is utilized, interoperability issues resulting in black video are observed if Cisco IP Phones 894x or 7985 are on the remote end of the video call. The same issues are observed when making a conference call to a MCU if the Cisco Unified Communications Manager handling the call does not have the feature implemented in CSCti71796. The following versions of Cisco Unified Communications Manager have this feature: 8.5.1ES7, 8.5.1SU1, 8.6.1a, 9.0.1a. If the setting for Disable whitelists and use Restrictive mode is utilized, these issues are not observed but there is lower quality video with these and other endpoints.
Configuring RTP/RTCP Ports
Cisco Unified Video Advantage Release 2.3 supports configuring port ranges for RTP/RTCP video streams. Cisco Unified Video Advantage Release 2.3 will use ports 21000/21001 by default. This can be configured by using the UDPSTART and UDPEND MSI switches. These two switches are the values of the start and end ports in the range. The following rules must be considered when choosing a port range:
- The starting port must always be even numbered and the ending port must be odd numbered.
- Any range can be configured but it must have at least 2 ports and the starting port must be smaller than the end port.
- Both switches have predefined default values of 21000 (UDPSTART) and 21899 (UDPEND) so there is no need to configure both of them. If only one is configured, the other one will be set to the default value.
- If the port range is not correctly configured, Cisco Unified Video Advantage will fall back to the default ports of 21000/21001 for RTP/RTCP.
The following example would configure a port range of 22222/25555:
msiexec /i CiscoUnifiedVideoAdvantageSetup.msi /qb UDPSTART="22222" UDPEND="25555"
Information on using MSI switches can be found in the Cisco Unified Video Advantage Installation Guide found at:
Port ranges are not supported for Cisco Unified IP Phone models 9971, 9951, 8961, 6921, 6941, and 6961 running SIP loads. If you would like to use a non-default value for the single port, this can be configured by using the UDPSTART and UDPEND MSI switches with a two port range (this range includes only a single RTP port which SIP phones can use) or UDPPORT MSI switch that lets you specify a single video RTP port to be used.
- Creative Webcam Live Pro USB 2.0 Webcam light is always lit - When this camera is connected to the computer, it always has its light lit whether or not it is capturing video. This means that the camera light state cannot be used to tell if the camera is active or not during a call. (CSCsk34037)
- Cisco Unified Video Advantage does not support an upgrade path from Microsoft Windows XP to Microsoft Vista. Cisco Unified Video Advantage must be uninstalled before an upgrade and re-installed with the new operating system. (CSCsk87144)
Bug Severity Levels
Known problems (bugs) are graded according to severity level. The following table describes bug severity levels:
Severity Level Description 1 Catastrophic Reasonably common circumstances cause the entire system to fail, or a major subsystem to stop working, or other devices on the network to be disrupted. No workarounds exist. 2 Severe Important functions are unusable and workarounds do not exist. Other functions and the rest of the network is operating normally. 3 Moderate
Failures occur in unusual circumstances, or minor features do not work at all, or other failures occur but low-impact workarounds exist.
This is the highest level for documentation bugs.
4 Minor Failures occur under very unusual circumstances, but operation essentially recovers without intervention. Users do not need to install any workarounds and performance impact is tolerable. 5 Cosmetic Defects do not cause any detrimental effect on system functionality. 6 Enhancement Requests for new functionality or feature improvements.
Search for BugsBefore You BeginProcedure
Step 1 To access the Bug Search Tool, go to https://tools.cisco.com/bugsearch/search. Step 2 Sign in with your Cisco.com user ID and password. Step 3 To look for information about a specific problem, enter the bug ID number in the Search for field, then press Enter.
What to Do Next
For information about how to use the Bug Toolkit, select Help on the Bug Toolkit screen.
The following table describes possible unexpected behaviors by Cisco Unified Video Advantage. Caveats are listed in order by severity, then in alphanumeric order by identifier.
Unless otherwise noted, these caveats apply to all Cisco Unified Video Advantage releases.
Because defect status continually changes, be aware that the tables reflects a snapshot of the defects that were open at the time this report was compiled. For an updated view of open defects, access the Bug Search Tool. See Search for Bugs for more information.
Identifier Severity Component Headline CSCsk88892 3 win32app Problems in CUVA when bandwidth limited. CSCth34841 3 win32app CFNA using video EPs intermittently drops the video CSCud41336 3 video If cast is disconnected with SIP 6961 phone, remote and image is frozen CSCtf06680 4 installer Cisco Video Advantage Help page doesn’t integrate with Mozilla Firefox 3.6 CSCud27185 4 other CPVE logs not on correct location if path has special chars
The following table lists the caveats resolved in Release 2.2(2).
Identifer Severity Component Headline CSCti74890 3 cdp-driver Sometimes CUVA can’t associate with IPPhone if wireless NIC enabled CSCtd17972 3 video No video in sTransfer of RT call to TB over SIP ICT CSCtl71749 3 video EP 8961-CUVA: No video being displayed on CUVA CSCtf76715 3 win32app CUVA: No remote on cuva when in a call with TB-1700-MXP CSCth60440 3 win32app CUVA not receive video for ~20 secs after swapping a call on secure phone CSCtg11841 6 win32app Cuva installs When CUCIMOC/CUPCv8 is installed CSCti28460 6 win32app CUVA needs to support 560x320 resolution CSCtk34315 6 win32app CUVA needs to support 480x352 resolution
The following table lists the caveats resolved in Release 2.2.
Identifer Severity Component Headline CSCsq76054 2 win32app CUVA has to check for virtual adapters (system handles leak), VMNS driver CSCtd80601 2 win32app CUVA 126.96.36.199 does not turn off camera when PC is locked. CSCtd89879 2 video CUVA does not work with UVC cameras - sends plain green video CSCtd99223 2 vtcam3 Cisco VT III Camera may not be detected and used on WinXP SP3 CSCsl08616 3 win32app If 2 ethernet NIC enabled & active- CUVA cannot associate with IP Phone CSCsu45473 3 cdp-driver CDP Driver Stops Working CSCsw80595 3 cdp-driver CUVA CDP Driver can’t detect IP Phone with Nortel VPN Client installed CSCsz25379 3 cdp-driver CUVA crashes immediately after starting CSCta18385 3 win32app CUVA does not detect phone after extended disconnection CSCtb39278 3 win32app Video does not Resume after Lock/Unlock or Screensaver activated CSCsr18565 6 win32app CUVA interop with Tandberg MPC MCU CSCsw31891 6 win32app CUVA Should Support 352x480 resolution CSCsz08942 6 win32app CUVA Should Support 352x576 resolution CSCtc03283 6 win32app CUVA needs to support 576x448 resolution CSCte53784 6 win32app Request Cisco Video Advantage preference able to select the camera
Obtaining Documentation, Support, and Security Guidelines
For information on obtaining documentation, obtaining support, providing documentation feedback, security guidelines, and also recommended aliases and general Cisco documents, see the monthly What’s New in Cisco Product Documentation, which also lists all new and revised Cisco technical documentation, at:
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