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Had a chance to play with XMeeting today for awhile and I am VERY impressed. As you may or may not know, H.323 is the standard protocol for most room-based videoconferencing over the Internet. There are many other standards, and this gets to be like an alphabet soup at times, but H.323 is the basic one most videoconferencing equipment is setup to use and support. As available Internet bandwidth has increased, more and more videoconferencing takes place “over IP” (the Internet) instead of over ISDN lines that are generally rented by the minute. H.320 is the ISDN protocol used for non-Internet videoconferencing. Instant messaging software programs like AIM, iChat (which uses AIM protocols as well as Apple proprietary protocols), Yahoo IM, MSN Messenger, and Google Talk use different protocols that are not inter-operable from what I’ve seen. Across platforms using the same IM software programs, video-conferencing with these tools does not work well from what I’ve experienced. iChat videoconferences Macintosh to Macintosh generally work GREAT, but I have not seen an iChat connection on a Macintosh to a Windows client running AIM work at all. With Yahoo IM, you can view a Windows user’s webcam from Yahoo IM on a Mac, but you can’t videoconference with audio and video like you can Windows client to Windows client. H.323 is the “video-conferencing language” that is utilized in most “traditional distance learning videoconferencing” situations, and I have not previously seen a H.323 client for Macintosh (commercial or open-source) other than OPhoneX— and it is the older version of XMeeting.

Zoom, the cloud meeting company, unifies cloud video conferencing, simple online meetings, and group messaging into one easy-to-use platform.Take advantage of a complete solution that includes video, audio, and screen-sharing experience across ZoomPresence, Windows, Mac, iOS, Android, and H.323/SIP room systems. 1080p video is available for H.323 and SIP devices in-meeting, for Business, Enterprise, and Education accounts. To use 1080p video, the bandwidth must be a minimum of 3mbps. Once Zoom Support has enabled 1080p for Room Connector devices on the account, an admin or owner will need to enable 1080p in account settings if it has not been enabled. XMeeting(Mac H.323 endpoint) Free H.323 endpoints (non-OpenSource) Polycom RealPresence Mobile (iOS and Android)(skip the login for the RealPresence server and set a gatekeeper in the H.323 settings) Yealink VC Mobile (Android).

XMeeting is exciting because it is a free, open-source software project that permits videoconferencing from any OS X Macintosh computer using a standard camera (I used an iSight) to a room-based H.323 system (or to another software-based H.323 system.) These room based systems are very expensive, prices vary a lot, but it is not unreasonable to spend $100,000 outfitting a videoconferencing room with all needed equipment and furniture. Instead of using a registered username and password, like you do when videoconferencing with an IM solution, you connect directly from IP address to IP address when videoconferencing with H.323.

Here is a series of screenshots of XMeeting in action that I took today during our test connections. This first one shows a more traditional “picture in picture” view, with the remote side (Paul Richardson is the person I was videoconferencing with) in the large screen, and my own image in the small screen. This is similar to what you see when using iChat for videoconferencing:

This second view shows both remote and local cameras the same size, side by side:

This third and final view is similar to what you see in a 3 or 4 person iChat videoconference, with the windows facing each other and a fancy “reflection effect” in front of each image, as if they were on a shiny desk:

I am VERY enthused about this technology and software program. This FREE software can be used by someone, let’s say a professor, to videoconference back to a classroom of students at a university and teach class. That has been possible for some time using IM-based videoconferencing options, but the quality of that video is often poor. Polycom sells their PVX software for doing this from a Windows-based PC, but I think it costs around $200 and is not available for other platforms.

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If you know about a Linux or Windows-based open source H.323 alternative to XMeeting or Polycom PVX software, I would be very interested to know about it. Also if you’ve had experiences with cross-platform videoconferencing (using a Windows client and videoconferencing with someone on a Macintosh or Linux computer, for example) I would also really like to hear about that. My perception is that not a lot of cross-platform videoconferencing is happening right now: it is remaining somewhat proprietary. That is why open source software like XMeeting is exciting, since it uses acknowledged and widely accepted videoconferencing standards (H.323) and appears to “play well with others,” including other platforms.

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On this day..

• Orientation Challenge in MinecraftEDU - 2014
• Block Text Messages / SMS Spam and Phone Calls on Your iPhone - 2012
• NCLB has killed creative teaching and energetic learning about science (at least before state testing) - 2010
• #ISTE2010 Constructivist Celebration and The Imagine It! Project - 2010
• How We're Reinventing the Blog by Sachin Agarwal (Posterous co-founder) - 2010
• Storychasers is looking for a new logo via @crowdspring - 2010
• Setup a new WordPress installation as a subdomain with Buddypress - 2010
• Internet Safety Issues: What can librarians do? - 2008
• Internet Crimes with Larry Boggess of OSBI - 2008
• Internet Safety Issues with Joel Gabel of Google - 2008

Subscriptions

The Team Plan and Enterprise Plan are user-based subscription plans that provide access to the VidyoConnect service for named users. Organizations can purchase multiple named user subscriptions to achieve the desired deployment size. The VidyoConnect subscription is available in one-year, two-year, or three-year terms, paid annually.

The Team Plan and Enterprise Plan are for communication by the subscribing organization’s users with one another and with any other internal or external parties they choose to invite or include (which Vidyo refers to as “guests”). A complete feature matrix for the plans can be found on the Plans & Pricing page.

Individuals: Each named user account is a personal use license to be allocated to a single named individual. A named user account is identified by a specific individual user name that is dedicated to usage by that individual; it is not a general or administrator name. The login credentials for one user cannot be shared with other users, cannot be accessed by more than one person, and may not be shared among multiple persons. However, each named user subscription may be transferred to a new user if the prior user no longer requires access. Not permitted for use by customer engagement agents, i.e. those whose primary function is customer engagement involving full-time (or near-full-time) remote communication with numerous different individual customers, prospects, patients, etc. This subscription is intended only for usage when active communication is occurring; surveillance, monitoring or similar applications involving continuous connections are not permitted with this subscription type.

At the end of the subscription term, all provided software (other than Vidyo individual client and VidyoRoom software) must be deleted, and user accounts will terminate, unless renewed. The annual VidyoConnect service subscription fee must be paid at the start of each term (or annually, in the case of multi-year subscriptions), and these fees are non-refundable.

All subscriptions are subject to the Cloud Customer Terms of Service.

Guest Participant Access

Guests can be invited to meetings even if they do not have a named user account on the VidyoConnect service. However, guests can only participate in a call when invited by a named user, and they have no rights to independently set up or host calls.

Virtual Meeting Room

A virtual meeting room is a virtual space in which multiple participants can connect in order to communicate. A virtual meeting room is intended to be used by the single individual holding the associated user account for hosting calls in which he or she is participating; it is not intended to be used by a general user or administrator or to be used by multiple users. These virtual rooms cannot be assigned as “public” rooms or “shared” rooms that are available to other users. Calls from and to such rooms must be hosted by the associated user only, and at least one named user or subscribed VidyoRoom system (see below) must participate in each call. To avoid any doubt in cases where a user has multiple virtual rooms, that user can use only one such virtual room at any given time (subject to reasonable call overlap).

Supported Endpoint Types

The following endpoint types are currently supported with, and except as noted below, are included in the VidyoConnect service. Specifications are listed in the endpoint datasheets located at http://www.vidyo.com/resources/.

*Assumes third-party H.323/SIP systems can make calls to the public Internet. Vidyo provides industry-standard interfaces for third-party H.323 and SIP systems and makes every effort to provide help with third-party H.323 and SIP systems; however, Vidyo cannot guarantee interoperability with every system nor is Vidyo responsible for supporting these third-party systems.

Supported Resolutions

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The VidyoConnect service supports Vidyo endpoints in calls at a resolution up to 4K (3840 x 2160) based upon endpoint specifications, available bandwidth, device computing capability, and device display resolution. Third-party H.323 and SIP-based endpoints are supported up to 1280 x 720p resolution.

Telephone Dial-In

Each subscription to the VidyoConnect service comes with the VidyoVoice base package service that provides telephone dial-in up to 10 simultaneous callers (across all current conferences) via a single dial-in number. 1,000 VidyoVoice minutes are provided annually per named user, as a shared resource. Any unused minutes expire at the end of each annual subscription period. Each caller consumes VidyoVoice minutes while connected. Each partial minute of VidyoVoice connection in a conference will consume a full VidyoVoice minute. Additional minutes and voice connections can be purchased in advance. Additional local dial-in numbers can be purchased.

Note: Each voice caller dialing into the VidyoConnect service counts as one endpoint connection, relevant for the plan’s per-call participant limit.

Encryption

Vidyo utilizes industry standards for securing the VidyoConnect service. This includes encryption of data being transmitted. All media and signaling are encrypted between Vidyo endpoints and within the VidyoConnect service. This includes the use of TLS and SRTP using AES 128-bit encryption.

Third-party H.323 and SIP endpoints can also connect via encrypted connections to the VidyoConnect service, provided the third-party endpoints support and enable compatible encryption.

Software Updates

Vidyo manages the cloud-based infrastructure. This includes providing product updates and fixes for the VidyoConnect service, the included Vidyo endpoints, any subscribed VidyoRoom systems, and any hybrid-deployed Infrastructure Software on a continuous basis if and when made generally available. Should any software upgrade or maintenance require downtime, Vidyo will provide notice to customers as outlined in the VidyoConnect Service & Support Policy.
Software updates can include new features that add additional capability for the VidyoConnect. These new features and capabilities may be provided as part of an existing subscription. However, Vidyo reserves the right to charge for additional features and capabilities. In limited cases, updates may also eliminate features or functionality which Vidyo has determined not to continue to support.

Recording

VidyoConnect enables recording for team meeting, trainings and other purposes. Cloud storage is included in the Enterprise Plan at 10GB per named user, per year as a shared resource. Additional storage can be purchased as needed. Alternatively, recording can be configured as a hybrid deployment (described in the following section) leveraging customer-provided servers and storage when customer needs require. Recording is not available in the Team Plan.

Hybrid Deployment

The VidyoConnect service provides support for a combination of on-premise and cloud-based infrastructure. As a subscriber to the VidyoConnect service, you have the option to deploy local instances of Vidyo infrastructure software (“Infrastructure Software”) to optimize network utilization. These software solutions are sold as a subscription and require a paid subscription to VidyoConnect services.

Note: Implementation of the on-premises Vidyo infrastructure for hybrid deployments requires you to purchase remote installation services called“System Commissioning Remote Support” (SVC-REMOTE-01) service per virtual machine.

Infrastructure Software subscribed for with the VidyoConnect service may only be used by the subscriber organization together with the VidyoConnect service and is limited to the quantities provided and the term of the subscription, and must be decommissioned and deleted from all subscriber systems and media upon termination of the VidyoConnect subscription.

Limitations

Endpoint Limitations

Unless stated elsewhere, the Vidyo endpoints perform to the specifications outlined in the endpoint’s data sheet and in the Administrator/User Guides found on the Vidyo Customer Support website.

Meeting Size Limitations

For the Team Plan, meetings cannot exceed more than 100 participants/endpoint connections (including the meeting host). For the Enterprise Plan, meetings cannot exceed more than 200 participants/endpoint connections. Larger call capability can be purchased as an additional option. Only one call at a time is allowed per named user (subject to reasonable call overlap).

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Network Limitations

Vidyo technology seeks to provide the best possible quality video experience over challenging networks. However, video quality is directly related to network performance and, as the VidyoConnect is delivered over the public Internet and recipients’ local networks, no guarantees can be made with regard to network performance or video experience.

Vidyo Endpoint Network Requirements

The subscriber’s network must meet the requirements indicated in the specifications including the following standards:

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• Full Duplex must be enabled on all network devices
• RTP latency in one direction between the User and Hosted application/equipment must be less than 150 ms
• RTP jitter must be less than 15 ms
• Network segments must not exceed a packet loss rate of three percent (3%)
• Network bandwidth must accommodate at least 256 kbps up and downstream from each endpoint

H.323 and SIP Network Requirements

The type of technology used in most H.323 and SIP videoconferencing systems is very sensitive to network errors. In order to maintain acceptable quality, the network must deliver a sufficient level of performance. Users of third-party H.323 and SIP systems should adhere to the manufacturer’s recommended network requirements for quality. Vidyo recommends the following for H.323 and SIP systems connecting to the VidyoConnect service:

• Full Duplex must be enabled on all network devices
• RTP latency in one direction between the endpoint and VidyoConnect must be less than 150 ms
• RTP jitter must be less than 15 ms
• Network segments must not exceed a packet loss rate of one-half percent (0.5%)
• Network bandwidth must accommodate at least 384 kbps up and downstream from each endpoint.

Modifications

Vidyo reserves the right to modify this Service Description (in whole or in part) at any time without notice, provided that any modification which materially reduces functionality of the service will be notified in advance and will entitle customer to terminate its subscription within 30 days of such notice.