Release Notes for Cisco Unified Survivable Remote Site Telephony, 12.8
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Table of Contents
Release Notes for Cisco Unified Survivable Remote Site Telephony, Release 12.8
Determining the Software Version
Upgrading to a New Software Release
New Features in Unified SRST, Release 12.8
Support for Voice VRF for Unified SRST
Support for YANG Models in Unified SRST
Open Caveats—Unified SRST, Release 12.8
Obtain Documentation and Submit a Service Request
Release Notes for
Cisco Unified Survivable Remote Site Telephony, Release 12.8
Introduction
This Release Notes document describes the features of Cisco Unified Survivable Remote Site Telephony, Release 12.8 (Cisco IOS XE Amsterdam 17.2.1r).
To ensure that you have the latest version of this Release Notes, go to https://www.cisco.com/c/en/us/products/unified-communications/unified-survivable-remote-site-telephony/index.html. Choose Release and General Information > Release Notes, and locate the latest release notes pertaining to your release.
System Requirements
- Memory Requirements
- Hardware Supported
- Software Compatibility
- Determining the Software Version
- Upgrading to a New Software Release
- Feature Set Tables
Memory Requirements
The Cisco 4000 Series Integrated Services Router platforms require 4 GB of DRAM, except Cisco ISR 4461 that requires 8 GB of DRAM.
Platforms
Unified SRST supports the following Cisco 4000 Series Integrated Services Router platforms:
Software Compatibility
For more information on supported images and minimum software version requirement for Unified SRST features, see Cisco Unified SCCP and SIP SRST System Administrator Guide.
To determine the correct Cisco IOS release to support a specific Unified SRST version, see the Cisco Unified CME, Unified SRST, 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. You do not need an account on Cisco.com for access.
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 output from the show version command indicates the Cisco IOS release on the first output line:
Upgrading to a New Software Release
To determine which Cisco IOS software release supports the recommended Unified SRST version, see Unified SRST and Cisco IOS Software Compatibility Matrix. To install the new software release, see the “Install Cisco IOS 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 and Changed Information
Support for Voice VRF for Unified SRST
Support for Virtual Routing and Forwarding (VRF) for Unified SRST with Cisco IOS XE is being introduced from Unified SRST, Release 12.8. For more information, see Cisco Unified SCCP and SIP SRST System Administrator Guide (All Versions).
Support for YANG Models in Unified SRST
Support for YANG Models in Unified SRST is being introduced from Unified SRST, Release 12.8. For more details, see the UC YANG Data Models for IOS XE on Cisco DevNet.
Related Documentation
Software Documents
- 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
Service and Support
The Cisco Support and Documentation website provide online resources to download documentation, software, and tools. Use these resources to install and configure the software and to troubleshoot and resolve technical issues with Cisco products and technologies.
Access to most tools on the Cisco Support and Documentation website requires a Cisco.com user ID and password.
To access the website, go to: http://www.cisco.com/cisco/web/support/index.html.
Obtain Documentation and Submit a Service Request
For information on obtaining documentation, using the Cisco Bug Search Tool (BST), submitting a service request, and gathering additional information, see What’s New in Cisco Product Documentation.
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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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