Table Of Contents
New Features in Cisco IOS Release 12.4(20)YA
New Hardware Features in Cisco IOS 12.4(20)YA
New Software Features for Cisco IOS Release 12.4(20)YA
New Features in Cisco IOS Release 12.4(20)YA
August 01, 2008
The following features were introduced in Cisco IOS Release 12.4(20)YA. Links to feature documentation are also included.
Feature guides may contain information about more than one feature. To find information about a specific feature within a feature guide, see the Feature Information table at the end of the guide.
Feature guides document features that are supported on many different software releases and platforms. Your Cisco IOS software release or platform may not support all the features documented in a feature guide. See the Feature Information table at the end of the feature guide for information about which features in that guide are supported in your software release. Use Cisco Feature Navigator to find information about platform support and Cisco IOS and Catalyst OS software image support. To access Cisco Feature Navigator, go to http://www.cisco.com/go/cfn. An account on Cisco.com is not required.
For the latest feature information and caveats, see the release notes for your platform and software release at the following URL:
http://www.cisco.com/en/US/products/ps6706/prod_release_notes_list.html
See the following sections for a list of features:
•New Hardware Features in Cisco IOS 12.4(20)YA
•New Software Features for Cisco IOS Release 12.4(20)YA
New Hardware Features in Cisco IOS 12.4(20)YA
Cisco VGD Series Voice Gateway
http://cisco.com/en/US/products/ps9890/products_feature_guides_list.html
New Software Features for Cisco IOS Release 12.4(20)YA
CallBack on Busy for Analog Phones on Cisco Voice Gateways
http://cisco.com/en/US/docs/ios/voice/fxs/configuration/guide/fxscbbusy.html
Call Hold/Resume for Shared Lines for SCCP Analog Ports
http://cisco.com/en/US/docs/ios/voice/fxs/configuration/guide/fsxholdres.html
DC Voltage Based VMWI for SCCP Controlled VG224 Analog Ports
http://cisco.com/en/US/docs/ios/voice/fxs/configuration/guide/fxsdcvmwi.html
Flexible Feature Access Codes
http://cisco.com/en/US/docs/ios/voice/fxs/configuration/guide/fxssccpsplmft.html
SCCP Meet-Me Conference
http://cisco.com/en/US/docs/ios/voice/fxs/configuration/guide/fxssccpsplmft.html
Cisco Unified CME Usability Enhancement
http://www.cisco.com/en/US/docs/voice_ip_comm/cucme/admin/configuration/guide/cmelocal.html
Cisco Unified CME TAPI Enhancement
http://www.cisco.com/en/US/docs/voice_ip_comm/cucme/admin/configuration/guide/cmereset.html
Cisco Unity Express AXL Enhancementhttp://www.cisco.com/en/US/docs/voice_ip_comm/cucme/admin/configuration/guide/cmevmail.html
CVP IOS Debug
http://www.cisco.com/en/US/docs/ios/voice/command/reference/vr_book.html
SIT Detection and Reporting
http://www.cisco.com/en/US/docs/ios/12_3/vvf_r/vrg_s2.html
CCDE, CCENT, Cisco Eos, Cisco Lumin, Cisco StadiumVision, the Cisco logo, DCE, and Welcome to the Human Network are trademarks; Changing the Way We Work, Live, Play, and Learn is a service mark; and Access Registrar, Aironet, AsyncOS, Bringing the Meeting To You, Catalyst, CCDA, CCDP, CCIE, CCIP, CCNA, CCNP, CCSP, CCVP, Cisco, the Cisco Certified Internetwork Expert logo, Cisco IOS, Cisco Press, Cisco Systems, Cisco Systems Capital, the Cisco Systems logo, Cisco Unity, Collaboration Without Limitation, EtherFast, EtherSwitch, Event Center, Fast Step, Follow Me Browsing, FormShare, GigaDrive, HomeLink, Internet Quotient, IOS, iPhone, iQ Expertise, the iQ logo, iQ Net Readiness Scorecard, iQuick Study, IronPort, the IronPort logo, LightStream, Linksys, MediaTone, MeetingPlace, MGX, Networkers, Networking Academy, Network Registrar, PCNow, PIX, PowerPanels, ProConnect, ScriptShare, SenderBase, SMARTnet, Spectrum Expert, StackWise, The Fastest Way to Increase Your Internet Quotient, TransPath, WebEx, and the WebEx logo are registered trademarks of Cisco Systems, Inc. and/or its affiliates in the United States and certain other countries.
All other trademarks mentioned in this document or Website 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. (0804R)
)© 2008 Cisco Systems, Inc. All rights reserved.