Release Notes for Cisco Unified Communications Manager Express, 12.3

Memory Requirements

The Cisco 4000 Series Integrated Services Router platforms require 4 GB of DRAM.

Hardware Supported

Platforms

The following Cisco 4000 Series Integrated Services Router platforms are supported:

• Cisco ISR 4321 Integrated Services Routers
• Cisco ISR 4331 Integrated Services Routers
• Cisco ISR 4351 Integrated Services Routers
• Cisco ISR 4431 Integrated Services Routers
• Cisco ISR 4451 Integrated Services Routers
• Cisco ISR 4461 Integrated Services Routers (Supported from Cisco IOS XE Fuji16.9.1 Release)

Software Compatibility

For more information on images supported and minimum software version requirement, see the “Information About Cisco Unified CME Software” section of the Cisco Unified Communications Manager Express Administrator Guide.

To determine the correct Cisco IOS release to support a specific Unified CME version, see the Cisco Unified CME and Cisco IOS Software Version Compatibility Matrix.

Use Cisco Feature Navigator to find information about platform support and Cisco IOS software image support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on Cisco.com is not required.

Determining the Software Version

To determine the release of Cisco IOS software currently running on your Cisco router, log in to the router and enter the show version command. The following sample outputs from the show version command indicates the Cisco IOS release on the first output line:

Upgrading to a New Software Release

To upgrade to a new software release, see the “Installing and Upgrading Cisco Unified CME Software” section of the Cisco Unified Communications Manager Express Administrator Guide.

Feature Set Tables

Use Cisco Feature Navigator to find information about platform support and software image support. Cisco Feature Navigator enables you to determine which software images support a specific software release, feature set, or platform. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn.

New Features in Unified CME, Release 12.3

The following new features are introduced for Unified CME, Release 12.3 on the Cisco 4000 Series Integrated Services Routers:

• Support for Enhanced Line Mode on Unified CME
• Support for Cisco IP Conference Phones 7832 and 8832 on Unified CME

Support for Enhanced Line Mode on Unified CME

For information on support for Enhanced Line Mode with Cisco IP Phone 8800 Series on Unified CME (Cisco 4000 Series Integrated Services Routers), see Cisco Unified Communications Manager Express System Administrator Guide.

Support for Cisco IP Conference Phones 7832 and 8832 on Unified CME

For information on support for Cisco IP Conference Phones 7832 and 8832 on Unified CME, see Cisco Unified Communications Manager Express System Administrator Guide.

Open Caveats—Unified CME, Release 12.3

There are no open or unresolved caveats for Unified Communications Manager Express, Release 12.3.

Software Documents

Administrator Guides

• Cisco Unified Communications Manager Express System Administrator Guide
• Cisco Unified SCCP and SIP SRST System Administrator Guide (All Versions)
• Phone Feature Support Guide for Unified CME, Unified SRST, Unified E-SRST, and Unified Secure SRST

Command References

• Cisco Unified Communications Manager Express Command Reference
• Cisco Unified SRST and Cisco Unified SIP SRST Command Reference (All Versions)

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Any Internet Protocol (IP) addresses and phone numbers used in this document are not intended to be actual addresses and phone numbers. Any examples, command display output, network topology diagrams, and other figures included in the document are shown for illustrative purposes only. Any use of actual IP addresses or phone numbers in illustrative content is unintentional and coincidental.

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