The Long Term Service Release (LTSR) program for the HDX RealTime Optimization Pack provides stability and long-term support for the HDX RealTime Optimization Pack 2.4 release.
In addition, Citrix also recommends specific versions of Citrix Receiver and other components. While not required for LTSR compliance, upgrading to the current versions, latest LTSR or LTSR Cumulative Update (CU), or Microsoft equivalent of those components ensures further ease of maintenance and the availability of the latest fixes in your deployment.
For HDX RealTime Optimization Pack lifecycle information see, https://support.citrix.com/article/CTX200466.
HDX RealTime Optimization Pack provides a scalable solution for delivering audio-video conferencing and voice over Internet Protocol enterprise telephony through Microsoft Skype for Business. The Optimization Pack supports XenDesktop and XenApp environments to users on Linux, Mac, Windows, and (through a partnership with Dell) Wyse ThinOS devices. The Optimization Pack uses your existing Microsoft Skype for Business infrastructure, on premises or in the cloud, and inter-operates with other Microsoft Skype for Business endpoints running natively on devices.
The Optimization Pack consists of both client and server components:
For information about the RealTime Optimization Pack Capability Checker for Windows, which determines endpoint ability to support the Optimization Pack, see https://support.citrix.com/article/CTX222459.
The Optimization Pack supports users who are on the corporate network or working remotely. For information about configuring secure remote access to Skype for Business using the HDX RealTime Optimization Pack, see https://support.citrix.com/article/CTX201116.