Cisco CP-7911G-CH1 System Administrator Manual page 37

Cisco Unified Survivable Remote Site Telephony Feature Roadmap
Table 2 Features by Cisco Unified SRST Software Version (continued)
Cisco Unified SRST Cisco IOS Release Enhancements or Modifications
Version 1.0
OL-13143-04
Support was added for 144 Cisco IP phones on the Cisco 3660 multiservice
•
routers.
Cisco Unified SRST introduced on the Cisco 2600 series and
•
Cisco 3600 series multiservice routers and the Cisco IAD2420 series
integrated access devices.
Cisco IP phones able to establish a connection with an SRST router in the
•
event of a WAN link to Cisco Unified Communications Manager failure.
Dimming of all Cisco Unified IP Phone function keys that are not supported
•
during Cisco Unified SRST operation.
Extension-to-extension dialing.
•
Direct Inward Dialing (DID).
•
Direct Outward Dialing (DOD).
•
Calling party ID (Caller ID/ANI) display.
•
Last number redial.
•
Preservation of local extension-to-extension calls when WAN link fails.
•
Preservation of local extension to PSTN calls when WAN link fails.
•
Preservation of calls in progress when failed WAN link is re-established.
•
Blind transfer of calls within IP network.
•
Multiple lines per Cisco IP phone.
•
Multiple-line appearance across telephones.
•
• Call hold (shared lines).
• Analog Foreign Exchange Station (FXS) and Foreign Exchange Office (FXO)
ports.
BRI support for EuroISDN.
•
• PRI support for NET5 switch type.
Cisco Unified SCCP and SIP SRST System Administrator Guide
Feature Roadmap
37