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Table Of Contents
Features in Cisco IOS Release 12.1(5)YD
Product Bulletin, No. 1298
Cisco IOS X-Release 12.1(5)YD
Introduction
This Product Bulletin describes the content and delivery information concerning Cisco IOS(TM) software release 12.1(5)YD. It should be used in conjunction with Product Bulletin titled, Cisco IOS Software Release 12.1T. 12.1(5)YD is a short lived Early Deployment (ED) release based on 12.1(5)T and supporting Cisco IAD2400 Series Business Class Integrated Access Device, Cisco 2600 Series and Cisco 3600 Series routers. This release contains the folowing new features:Survivable Remote Site Telephony and IOS Telephony Services - IP-KeyswitchThe platform and features delivered with this ED release will be immediately incorporated into Cisco IOS 12.2(3)T and subsequent Cisco IOS 12.2T releases. It is important to note that there are no planned maintenance releases for this ED release. In addition, please note the migration path to the latest T release. Customers should prepare to upgrade using this migration path.Features in Cisco IOS Release 12.1(5)YD
The following new features are supported on the 2600 series and 3600 Series Routers in release 12.1(5)YD.Survivable Remote Site TelephonyIOS Telephony Services - IP-KeyswitchPlease see the next section for documents that address details on these new features. Any ED release of software should be utilized first in a test network before being deployed in a production network.
Detailed Information
Survivable Remote Site TelephonyEnterprise customers wishing to deploy IP telephony at their branch offices using a centralized Call Manager architecture are very interested in call-processing redundancy capabilities at these remote sites. Such redundancy ensures negligible impact to the business in case a Wide Area Network outage prevents the centralized Call Manager from being able to process telephony requests from IP phones at the branch office. The Survivable Remote Site Telephony feature integrates call processing capability directly into OS, enabling the 2600 or 3600 Series router at the branch office to provide telephony redundancy.IOS Telephony Services - IP-KeyswitchThe IP Key-switch function integrates call processing in IOS for enterprise branch offices or for service provider managed services for Small Medium Businesses. Customers that use Cisco 2600 or 3600 series multi-service routers can now add this capability by a simple IOS software upgrade, and provide integrated telephony services for IP phones such as the Cisco Telecaster 79xx. A rich set of phone features are also supported such as orwarding, transfer, hold, multi-line appearance, etc. The IP Key-switch function will support up to 48 phones or IOS devices depending on the platform.For further information please see the 12.1(5)YD release notes: from the link below.Product Numbers
Table 1 Cisco IOS Release 12.1(5)YD Feature Sets, Images, and Memory Recommendations
Table 2
Download Information
Customers can download Cisco IOS Release 12.1(5)YD software from Cisco Connection Online (CCO) in the Software Image Library.
Posted: Thu Mar 23 16:04:29 PST 2006
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