Cisco IOS Software Releases 12.4 Special and Early Deployments

Table Of Contents

Cisco Unified Survivable Remote Site Telephony (SRST) 4.0 features include the following:

•Support for the following Cisco Unified IP Phone models:

–Cisco Unified IP Phone 7911G

–Cisco Unified IP Phone 7941G

–Cisco Unified IP Phone 7941G-GE

–Cisco Unified IP Phone 7961G

–Cisco Unified IP Phone 7961G-GE

•Cisco IP Communicator support

•Fax pass-though for ATA and Cisco VG 224 and Cisco VG 248 using SCCP mode.

•H.323 VoIP call preservation enhancements for WAN link failures

•Video support

For more information about these features, go to /en/US/products/sw/voicesw/ps2169/products_configuration_guide_chapter09186a00806672f6.html#wp1048642.

For links to all Cisco Unified SRST documents, see the documentation roadmap at http://www.cisco.com/en/US/products/sw/voicesw/ps2169/products_documentation_roadmap09186a008018912f.html.