[MS-OCSPROT]: Skype for Business and Skype for Business Server Protocols Overview https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCSPROT/90f4bc22-eae7-480e-a6f8-74d705ed2b2c Specifies the Skype for Business and Skype for Business Server Protocols Overview, which is a high-level description of the protocols used for instant messaging, presence, conferencing, voice, and video scenarios. No Update for [MS-OCSPROT] (Version 8.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCSPROT/90f4bc22-eae7-480e-a6f8-74d705ed2b2c <b>Protocol Revision:</b> 8.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT].pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-210817.docx">DOCX</a></li></ul> Tue, 17 Aug 2021 MS-OCSPROT-20210817 Major Update for [MS-OCSPROT] (Version 8.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCSPROT/90f4bc22-eae7-480e-a6f8-74d705ed2b2c <b>Protocol Revision:</b> 8.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-180828.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-180828.docx">DOCX</a></li></ul> Tue, 28 Aug 2018 MS-OCSPROT-20180828 Major Update for [MS-OCSPROT] (Version 7.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCSPROT/90f4bc22-eae7-480e-a6f8-74d705ed2b2c <b>Protocol Revision:</b> 7.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-180724.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-180724.docx">DOCX</a></li></ul> Tue, 24 Jul 2018 MS-OCSPROT-20180724 Major Update for [MS-OCSPROT] (Version 6.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCSPROT/90f4bc22-eae7-480e-a6f8-74d705ed2b2c <b>Protocol Revision:</b> 6.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-180427.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-180427.docx">DOCX</a></li></ul> Fri, 27 Apr 2018 MS-OCSPROT-20180427 Minor Update for [MS-OCSPROT] (Version 5.2) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCSPROT/90f4bc22-eae7-480e-a6f8-74d705ed2b2c <b>Protocol Revision:</b> 5.2<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-170210.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-170210.docx">DOCX</a></li></ul> Fri, 10 Feb 2017 MS-OCSPROT-20170210 No Update for [MS-OCSPROT] (Version 5.1) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCSPROT/90f4bc22-eae7-480e-a6f8-74d705ed2b2c <b>Protocol Revision:</b> 5.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-160929.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-160929.docx">DOCX</a></li></ul> Thu, 29 Sep 2016 MS-OCSPROT-20160929 No Update for [MS-OCSPROT] (Version 5.1) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCSPROT/90f4bc22-eae7-480e-a6f8-74d705ed2b2c <b>Protocol Revision:</b> 5.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-160914.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-160914.docx">DOCX</a></li></ul> Wed, 14 Sep 2016 MS-OCSPROT-20160914 Minor Update for [MS-OCSPROT] (Version 5.1) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCSPROT/90f4bc22-eae7-480e-a6f8-74d705ed2b2c <b>Protocol Revision:</b> 5.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-160715.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCSPROT/[MS-OCSPROT]-160715.docx">DOCX</a></li></ul> Fri, 15 Jul 2016 MS-OCSPROT-20160715