Release Notes

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Release Notes for Cisco Unified Communications Manager Express, Release 11.5
Introduction
Introduction
This Release Notes document describes the features of Cisco Unified Communications Manager
Express, Release 11.5 (Cisco IOS Release15.6(3)M, Cisco IOS XE 16.3.1).
To ensure that you have the latest version of this Release Notes, go to
http://www.cisco.com/en/US/partner/products/sw/voicesw/ps4625/index.html. Choose Release and
General Information > Release Notes, and locate the latest release notes pertaining to your release.
System Requirements
• Memory Requirements, page 2
• Hardware Supported, page 2
• Software Compatibility, page 3
• Determining the Software Version, page 3
• Upgrading to a New Software Release, page 3
• Feature Set Tables, page 3
Memory Requirements
The Cisco Integrated Services Routers Generation 2 (ISR-G2) platforms require 1 GB of DRAM and
Cisco Integrated Services Router Generation 3 (ISR-G3) platforms require 4 GB of DRAM.
Hardware Supported
Platforms
The following Cisco ISR-G2 series platforms are supported:
• Cisco 800 Series Integrated Services Routers
• Cisco 2900 Series Integrated Services Routers
• Cisco 3900 Series Integrated Services Routers
• Cisco 3900E Series Integrated Services Routers
The following Cisco ISR-G3 series 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