New and Changed Information

New and Changed Information

The following table provides an overview of the significant changes to the features in this guide up to this current release. The table does not provide an exhaustive list of all changes made to the guide or of the new features up to this release.

Table 1. New Features and Changed Behavior in Unified Communications Manager and IM and Presence Service

Date

Description

See

February 05, 2026

FIPS tool kit update

 FIPS Setup

July 31, 2025

Certificate Management Changes

IPSec DH Group Changes

Enable FIPS 140-2 Mode

Updates to Cipher Management Page

July 24, 2025

  • Minimum TLS Version Support for Calendaring Service

  • TLS 1.3 support for MSSQL database

  • Supported Signature Algorithms

October 01, 2024

Added a Note mentioning the EC curves supported from Release 15SU2 onwards

Cipher Management

Support for TLS 1.3

TLS 1.3 Setup (From Release 15SU2 Onwards)

FIPS tool kit update

 FIPS Setup

December 18, 2023

StrongSwan support for IPSec DoDIN APL certification

FIPS Setup

FIPS tool kit update as part of Alma

Support to renew refresh token automatically

OAuth Framework

Oauth—Eliminate Refresh token dependency on Unified CM publisher

Refer to the 'Common Enterprise Parameters section of the System Configuration Guide for Cisco Unified Communications Manager

Support for OCSP Certificate Revocation List

Certificate Revocation Configuration

Refer to the 'Common Enterprise Parameters' section of the System Configuration Guide for Cisco Unified Communications Manager

Upgrade from Cisco SSL6 to Cisco SSL7

FIPS Setup