Release Notes for Cisco Unified Survivable Remote Site Telephony, 12.1
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Table of Contents
Release Notes for Cisco Unified Survivable Remote Site Telephony, Release 12.1
Determining the Software Version
Upgrading to a New Software Release
New Features in Unified SRST, Release 12.1
Support for Cisco Smart Licensing
Support for Secure SRST on Cisco 4000 Series Integrated Services Routers
Support for Unified SRST with SIP Trunk (Unified SRST and Unified Border Element Co-location)
Open Caveats—Unified SRST, Release 12.1
Obtain Documentation and Submit a Service Request
Release Notes for
Cisco Unified Survivable Remote Site Telephony, Release 12.1
Introduction
This Release Notes document describes the features of Cisco Unified Survivable Remote Site Telephony, Release 12.1 (Cisco IOS XE Fuji 16.7.1).
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.
Software Compatibility
For more information on images supported and minimum software version requirement for Unified SRST features, see the “Cisco Unified Survivable Remote Site Telephony Feature Roadmap” section of the 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. 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 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 Cisco Smart Licensing
For information on support for Cisco Smart Licensing on Unified SRST, see
Cisco Unified SCCP and SIP SRST System Administrator Guide (All Versions).
Support for Secure SRST on Cisco 4000 Series Integrated Services Routers
For information on support for Secure SRST on Cisco 4000 Series Integrated Services Router, see
Cisco Unified SCCP and SIP SRST System Administrator Guide (All Versions).
Support for Unified SRST with SIP Trunk (Unified SRST and Unified Border Element Co-location)
For information on support for Unified SRST with SIP trunk (co-location of Unified SRST and Unified Border Element, see
Cisco Unified SCCP and SIP SRST System Administrator Guide (All Versions).
Caveats
Open Caveats—Unified SRST, Release 12.1
The following are the open or unresolved caveats for Unified SRST, Release 12.1..
No ringback on alert-transferring secure trunk call to line side phone. |
|
[Secure SRST] One way audio after the hold/resume on phone over TLS1.1/1.2 secure SIP trunk. |
Note
The fix introduced by the caveat CSCvf79695 is not available on the Cisco IOS XE Fuji 16.7.1 Release.
Related Documentation
Service and Support
The Cisco Support and Documentation website provides 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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Cisco and the Cisco logo are trademarks or registered trademarks of Cisco and/or its affiliates in the U.S. and other countries. To view a list of Cisco trademarks, go to this URL: www.cisco.com/go/trademarks. Third-party trademarks mentioned are the property of their respective owners. The use of the word partner does not imply a partnership relationship between Cisco and any other company. (1721R)
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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