[MS-OCEXUM]: Call Control for Exchange Unified Messaging Protocol Extensions https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCEXUM/d2018f70-8c96-481b-859e-d3b741618fa2 Specifies the Call Control Protocol Extensions for Exchange Unified Messaging. This protocol, an extension to Session Initiation Protocol (SIP), is used between a client and server to play voice messages and to manage the Unified Messaging mailbox with voice commands. Major Update for [MS-OCEXUM] (Version 9.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCEXUM/d2018f70-8c96-481b-859e-d3b741618fa2 <b>Protocol Revision:</b> 9.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCEXUM/[MS-OCEXUM].pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCEXUM/[MS-OCEXUM]-210817.docx">DOCX</a></li></ul> Tue, 17 Aug 2021 MS-OCEXUM-20210817 Major Update for [MS-OCEXUM] (Version 8.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCEXUM/d2018f70-8c96-481b-859e-d3b741618fa2 <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-OCEXUM/[MS-OCEXUM]-180828.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCEXUM/[MS-OCEXUM]-180828.docx">DOCX</a></li></ul> Tue, 28 Aug 2018 MS-OCEXUM-20180828 Major Update for [MS-OCEXUM] (Version 7.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCEXUM/d2018f70-8c96-481b-859e-d3b741618fa2 <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-OCEXUM/[MS-OCEXUM]-180724.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCEXUM/[MS-OCEXUM]-180724.docx">DOCX</a></li></ul> Tue, 24 Jul 2018 MS-OCEXUM-20180724 Major Update for [MS-OCEXUM] (Version 6.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCEXUM/d2018f70-8c96-481b-859e-d3b741618fa2 <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-OCEXUM/[MS-OCEXUM]-180427.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCEXUM/[MS-OCEXUM]-180427.docx">DOCX</a></li></ul> Fri, 27 Apr 2018 MS-OCEXUM-20180427 No Update for [MS-OCEXUM] (Version 5.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCEXUM/d2018f70-8c96-481b-859e-d3b741618fa2 <b>Protocol Revision:</b> 5.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCEXUM/[MS-OCEXUM]-160914.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCEXUM/[MS-OCEXUM]-160914.docx">DOCX</a></li></ul> Wed, 14 Sep 2016 MS-OCEXUM-20160914 No Update for [MS-OCEXUM] (Version 5.0) https://docs.microsoft.com/en-us/openspecs/office_protocols/MS-OCEXUM/d2018f70-8c96-481b-859e-d3b741618fa2 <b>Protocol Revision:</b> 5.0<br/><b>Downloads:</b><br/><ul style="list-style-type: square;"><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCEXUM/[MS-OCEXUM]-160715.pdf">PDF</a></li><li><a href="https://interoperability.blob.core.windows.net/files/MS-OCEXUM/[MS-OCEXUM]-160715.docx">DOCX</a></li></ul> Fri, 15 Jul 2016 MS-OCEXUM-20160715