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This release describes new features, restrictions, and caveats for Cisco Unified Communications Manager (Unified Communications Manager) and Cisco Unified Communications Manager IM and Presence Service (IM and Presence Service). The release notes are updated for every maintenance release but not for patches or hot fixes.
The following software versions apply to Release 12.5(1)SU2:
Unified Communications Manager: 12.5.1.12900-115.
IM and Presence Service: 12.5.1.12900-25.
Version compatibility depends on the IM and Presence Service deployment type. The following table outlines the options and whether a release mismatch is supported between the telephony deployment and the IM and Presence Service deployment. A release mismatch, if it is supported, would let you deploy your Unified Communications Manager telephony deployment and your IM and Presence Service deployment using different releases.
 Note |
Any respin or ES that is produced between Cisco.com releases is considered part of the previous release. For example, a Unified Communications Manager ES with a build number of 12.5.1.18[0-2]xx would be considered part of the 12.5(1)SU7 (12.5.1.17900-x) release. For Release 12.5(1)SU7a, a Unified Communications Manager ES with a build number of 12.5.1.181xx would be considered part of the 12.5(1)SU7a (12.5.1.18100-x) release. |
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Deployment Type |
Release Mismatch |
Description |
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Standard Deployment of IM and Presence Service |
Not supported |
Unified Communications Manager and the IM and Presence Service are in the same cluster and must run the same release—a release mismatch is not supported. |
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Centralized Deployment of IM and Presence Service |
Supported |
The IM and Presence Service deployment and the telephony deployment are in different clusters and can run different releases—a release mismatch is supported.
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For a complete list of the documentation that is available for this release, see the Documentation Guide for Cisco Unified Communications Manager and the IM and Presence Service, Release 12.5(1).
Following is a summary of the documentation restructure effort that was a part of 12.5(1)SU1. For this release and later releases, many Unified Communications Manager documents were restructured in order to improve usability and to streamline the documentation set. As part of this effort, one new guide is added, three existing guides are reworked, and five existing guides are deprecated. This overall effort reduces the size of the Unified Communications Manager documentation suite by four guides.
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Restructured Documents |
Description |
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As of 12.5(1)SU1, the System Configuration Guide is shortened and streamlined to create a complete post-install system setup. Basic security and SSO configurations are added to fill out the basic setup, while advanced call processing features are moved to the Feature Configuration Guide. This new guide forms the Unified Communications Manager prerequisite for deploying an advanced Cisco call processing solution. |
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This guide is expanded as the following advanced call processing topics are moved to this guide from the System Configuration Guide:
In addition, the following new sections are added for 12.5(1)SU1 and later:
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As of 12.5(1)SU1, the Administration Guide for Cisco Unified Communications Manager is expanded to include consolidated administration information from the Changing the IP Address, Hostname and Domaindocument, the Cisco Unified Reporting Administration Guide document and many sections from the existing Cisco Unified Serviceability Administration Guide documentation, all of which are deprecated for 12.5(1)SU1 and later. In addition to the above updates, an overview of troubleshooting information has been inserted into the Administration Guide. |
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This new document simplifies call reporting and billing administration documentation, consolidating existing material from the documents Cisco Unified CDR Analysis and Reporting Administration Guide and the Call Detail Records Administration Guide, both of which are now deprecated. It also adds CDR Repository and billing server information that was available previously with the Serviceability documentation. The new guide simplifies the overall structure and provides a clearer setup process: |
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Restructured Documents |
Description |
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The Security Guide is restructured for Release 12.5(1)SU3. The new guide is streamlined and enhanced to make it easy to configure and deploy security for Unified Communications Manager and registered endpoints. The new guide is split into three sections:
The book also includes enhanced information with new topics on subjects like Security Hardening and Identity Management that help you make security decisions for your deployment. |
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Push Notifications Deployment for Cisco Jabber on iPhone and iPad |
This document describes how to configure Push Notifications for Cisco Jabber on iPhone and iPad with Cisco Unified Communications Manager and the IM and Presence Service. The guide is updated to include Push Notifications support for Cisco Jabber and Cisco Webex clients that run on both Android devices and iOS devices. |
This guide details the latest licenses and notices for the open source software used in Unified Communications Manager.
For more information on the open source softwares used, see https://www.cisco.com/c/dam/en_us/about/doing_business/open_source/docs/UnifiedCommunicationsManagerRelease1251SU2125v10.pdf.
For information on how to install your system, see the Installation Guide for Cisco Unified Communications Manager and the IM and Presence Service, Release 12.5(1).
For information on how to upgrade to this release, see the Upgrade and Migration Guide for Cisco Unified Communications Manager and IM and Presence Service, Release 12.5(1).
This release of Unified Communications Manager, Cisco IM and Presence Service, Cisco Emergency Responder, and Cisco Prime Collaboration Deployment contain software patches to address the Meltdown and Spectre microprocessor vulnerabilities.
Before you upgrade to Release 12.5(1) or above, we recommend that you work with your channel partner or account team to use the Cisco Collaboration Sizing Tool to compare your current deployment to an upgraded 12.5(1)SU2 deployment. If required, change VM resources to ensure that your upgraded deployment provides the best performance.
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