Results for: Delivering VoIP apps with XenDesktop 4
Get up-to-speed on HDX at Synergy Barcelona
The pace of innovation on HDX -- our high definition user experience technologies -- is so fast that it can be a challenge to keep up with all of the newest enhancements, even if you live and breathe this stuff as I do! Happily, I will be joined on stage at Synergy in Barcelona by Juan Rivera, illustrious HDX guru and tweeter, who knows this ...
HDX is even better in XenDesktop 5.5
Citrix’s HDX technologies for delivering a high definition user experience have been a big factor in XenDesktop’s rise to first place in the desktop and application virtualization market. With today’s release of XenDesktop 5.5, including XenApp 6.5 and Citrix Receiver 3.0 for Windows, HDX is even better. We’ve worked hard to address more challenging network conditions such as limited bandwidth, high latency, jitter, congestion and ...
Prediction – Next generation collaboration will drive rapid adoption of desktop virtualization
We all know that end users continue to expect more from their computing experience. Easy and effective communication and collaboration is definitely the top of the list for almost all users. They want to communicate and collaborate on their own terms. Just think about how many times we are all involved in collaboration everyday - IM, VoIP and online meetings during day, social media in ...
KB articles on softphone delivery from XenDesktop
If you're interested in delivering softphones from XenDesktop under the hosted VM-based desktops (VDI) model of FlexCast, then further to my recent blog on this topic, there are some valuable Knowledge Base articles on our HDX RealTime technologies that I encourage you to review: CTX124438 - Delivering Cisco IP Communicator from Citrix XenDesktop CTX126634 - XenDesktop Support for Avaya Softphones CTX124124 - Best Practices Delivering ...
是在裸奔吗？
这个呼叫中心的客户我接触比较晚，去测试的时候需求已经很明确，把Avaya IPSoftPhone的语音通过XD的ICA通道传输，测试我们的解决方案能够节省多少带宽资源。 去现场之前做了些功课，仔细拜读了论坛里的大作：http://community.citrix.com/display/ocb/2010/01/07/Delivering+VoIP+apps+with+XenDesktop+4 看到新的XD Codec能够使Voice on ICA减少到40Kbps以内，相当的自信，仿佛看见大单在向我们挥手。 测试的结果： 使用HDX Monitor在缺省配置下语音通话时的双向流量是210Kbps，配置为"Optimize for Speech"（推荐的配置）时是60Kbps，配置为最差音质时是36Kbps。这是个相当振奋人心的结果，因为Avaya传统方式双向流量是171Kbps，我们新的Codec可以只有三分之一的带宽！ 然而问题来了，客户使用Wireshark做了并行测试，没有语音通话时是10Kbps左右（很不错的结果），语音在三种策略下分别是：290Kbps，260Kbps和210Kbps！以"Optimize for Speech"选项为例差别是60Kbps VS. 260Kbps，而且无论哪个配置，都比传统方式大很多，也就是说我们的方案根本无法降低语音通话对带宽的占用。 于是赶紧向Tech Support求助，等了好几天说HDX Monitor不属于Support范围，但是我们发现HDX Monitor只是个展示工具，真正的数据来自Windows Performance Monitor里面ICA Session Counter，这个数据就和Wireshark的值相差很远。到现在还没有一个明确的答复。 倒是客户帮我们进行了猜测，是不是我们的ICA Session Counter里面Voice部分只计算了语音包本身的大小，而对于其在网络里面传输时的TCP包头，协议其他的封装数据统统没有计算在内？如果确实是这个原因，那么40Kbps以内的说法是让Voice在TCP/IP网络上裸奔了。 冷静了想想Avaya做语音这么多年，使用的是UDP协议才能把带宽控制在171Kbps，我们的ICA用的是TCP协议没有理由能把带宽降下来啊。 在别的客户处也做了类似测试，结果在35KB左右，这个值和我们的260Kbps也比较接近。这个问题一直没有解决，还不断在各种资料中看到关于新的Codec能让流量降到36Kbps左右，哎，难道就一直这样裸奔下去？
XenApp 6 is here!
Today we announced XenApp 6 to continue building upon our vision of delivering on-demand applications and desktops to both virtual and physical hosts. XenApp 6 raises the bar for TCO and performance, and is also an integrated feature of our desktop virtualization solution, XenDesktop 4. We don't usually talk about what it takes internally to develop a product. However, in this case it's worth knowing that ...
Receiver for Linux now optimized for HDX
HDX on Linux thin clients? You bet! And the latest version of our Citrix Receiver for Linux enhances the HDX capabilities available to Linux users to provide a full high definition user experience and enable Linux thin clients to earn the HDX Ready designation. Here are some highlights of what's new in the 11.100 release: New audio codec technology, just as was introduced in the ...
Office Communicator voice & video on XD4, and federation, too!
Since I wrote my blog post about delivering VoIP apps with XenDesktop 4 and HDX RealTime, numerous readers have kindly posted comments or emailed me about the great results they're getting with our new optimized-for-speech audio codec. And don't forget, XenDesktop 4 introduced isochronous USB support, too. One customer wrote to share their experience using a federated Microsoft Office Communications Server (OCS) infrastructure with Wyse ...
Delivering VoIP apps with XenDesktop 4
Last June, XenDesktop 3 Feature Pack 1 unveiled our new "Spectrum" audio subsystem, offering broad compatibility with softphones and the voice chat features of unified communications applications. With XenDesktop 4 and our 11.2 online plug-in for Windows we went the next step, introducing new audio codec technology from project Ulysses that delivers brilliant voice clarity with minimal bandwidth consumption. So, what does it all mean? ...