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Product Bulletin, No. 1292
Cisco IOS Software
Release 12.1(5)YC
Introduction
This product bulletin describes the new features introduced in Cisco IOS® Software Release 12.1(5)YC for the Cisco 811, 813, 827 and SOHO series routers.New Features
Cisco 811 and 813 routers
Cisco IOS Software 12.1(5)YC is an early deployment (ED) release that is targeted at customers who intend to deploy enhanced voice features and PIAFS [PHS (Personal Handy Phone) Internet Access Forum Standard] on the Cisco 811 and Cisco 813.The following new features are supported on the 813 Series in 12.1(5)YC:
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Silent Fax
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The following new feature is supported on the Cisco 811 and Cisco 813 in 12.1(5)YC:
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Cisco 827 and SOHO routers
The following new features are supported on the 827 and SOHO series routers in 12.1(5)YC:
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The features delivered with this ED release will be incorporated into Release 12.2(3)T. Therefore, maintenance for these features should be obtained from Release 12.2(3)T.
Detailed Information
For more detailed information about the platforms and the features of Release 12.1(5)YC, referencethe following document:For Cisco IOS Release Notes 12.1(5) YC for the Cisco 800 series, including Cisco 811, 813, SOHO, and 820 series, see:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121relnt/800/rn800yc.htm
For Cisco IOS Release Notes 12.1(5) YC for the SOHO series, the Cisco SOHO 77, see:
http://www.cisco.com/univercd/cc/td/doc/product/software/ios121/121relnt/70series/rn70yc.htm
Life Span
12.1(5)YC will be sold until Cisco IOS Software 12.2(3)T is released.Supported Hardware Platforms
Cisco IOS Software Release 12.1(5)YC supports all Cisco 811, 813, 820 and SOHO platforms.
Cisco IOS Software Release 12.1(5)YC does not support the Cisco 801, 802, 803, 804 platforms.