[MS-SDPEXT]: Session Description Protocol (SDP) Version 2.0 Extensions https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac Specifies the Session Description Protocol (SDP) Extensions, which is a protocol that negotiates audio/video call setup and adds video or audio to an existing audio-only or video-only call. Major Update for [MS-SDPEXT] (Version 15.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 15.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT].pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-240820.docx">DOCX</a></li></ul> Tue, 20 Aug 2024 MS-SDPEXT-20240820 Major Update for [MS-SDPEXT] (Version 14.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 14.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-240416.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-240416.docx">DOCX</a></li></ul> Tue, 16 Apr 2024 MS-SDPEXT-20240416 Major Update for [MS-SDPEXT] (Version 13.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 13.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-220429.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-220429.docx">DOCX</a></li></ul> Fri, 29 Apr 2022 MS-SDPEXT-20220429 Minor Update for [MS-SDPEXT] (Version 12.2) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 12.2<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-220215.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-220215.docx">DOCX</a></li></ul> Tue, 15 Feb 2022 MS-SDPEXT-20220215 Minor Update for [MS-SDPEXT] (Version 12.1) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 12.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-211116.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-211116.docx">DOCX</a></li></ul> Tue, 16 Nov 2021 MS-SDPEXT-20211116 Major Update for [MS-SDPEXT] (Version 12.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 12.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-210817.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-210817.docx">DOCX</a></li></ul> Tue, 17 Aug 2021 MS-SDPEXT-20210817 No Update for [MS-SDPEXT] (Version 11.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 11.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-190618.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-190618.docx">DOCX</a></li></ul> Tue, 18 Jun 2019 MS-SDPEXT-20190618 No Update for [MS-SDPEXT] (Version 11.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 11.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-181211.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-181211.docx">DOCX</a></li></ul> Tue, 11 Dec 2018 MS-SDPEXT-20181211 Major Update for [MS-SDPEXT] (Version 11.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 11.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-180828.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-180828.docx">DOCX</a></li></ul> Tue, 28 Aug 2018 MS-SDPEXT-20180828 Major Update for [MS-SDPEXT] (Version 10.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 10.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-180724.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-180724.docx">DOCX</a></li></ul> Tue, 24 Jul 2018 MS-SDPEXT-20180724 Major Update for [MS-SDPEXT] (Version 9.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 9.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-180427.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-180427.docx">DOCX</a></li></ul> Fri, 27 Apr 2018 MS-SDPEXT-20180427 Minor Update for [MS-SDPEXT] (Version 8.2) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 8.2<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-171212.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-171212.docx">DOCX</a></li></ul> Tue, 12 Dec 2017 MS-SDPEXT-20171212 Minor Update for [MS-SDPEXT] (Version 8.1) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 8.1<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-170919.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-170919.docx">DOCX</a></li></ul> Tue, 19 Sep 2017 MS-SDPEXT-20170919 No Update for [MS-SDPEXT] (Version 8.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 8.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-160914.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-160914.docx">DOCX</a></li></ul> Wed, 14 Sep 2016 MS-SDPEXT-20160914 Major Update for [MS-SDPEXT] (Version 8.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-SDPEXT/cd17a549-b948-42a6-aa6b-fa707710faac <b>Protocol Revision:</b> 8.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-160801.pdf">PDF</a></li><li><a href="https://msopenspecs.azureedge.net/files/MS-SDPEXT/[MS-SDPEXT]-160801.docx">DOCX</a></li></ul> Mon, 01 Aug 2016 MS-SDPEXT-20160801