July 2021

Updated the section on "Where to Find Information".

Publishing the guide for X14.0.2 release.

December 2019

Remove inactive link to TechZone article.

Correction

September 2019

• Correct configuration summary for Microsoft federations.

• Clarify high-level configuration requirements.

• Updated software version from X8.11.1 to X8.11.4.

Clarification

September 2018

• Clarify routing behavior for NOTIFY messages in IM&P Federation with Microsoft-Based Organizations.

• Updated software version from X8.11 to X8.11.1, as version X8.11 is no longer available.

Clarification

Software withdrawn

July 2018

• Remove port reference information. Clarified information about self-signed certificates. Remove (duplicate) information about IM and Presence Service federations. Added IM&P federation with Microsoft. Updated troubleshooting to clarify no dynamic move of users between IM&P nodes on failover.

• Combined VCS and Expressway versions of document.

• Renamed document from "Cisco Unified Communications XMPP Federation" to "Chat and Presence Federation Using Cisco Expressway".

X8.11.x release and document reorganization

July 2017

Updated prerequisites and document layout.

X8.10 release

November 2015

New template applied.

X8.7 release

December 2014

First release of document.