Datasheet

Data Sheet
© 2008 Cisco Systems, Inc. All rights reserved. This document is Cisco Public Information. Page 8 of 9
Cisco Unified SRST 3.0
E1-R2 signaling support
Secondary dial tone
Dual-line appearance per button
Three-party G711 temporary conferencing
Call transfer with consult
MOH multicast from flash .au file in Cisco Unified CallManager and Unified
Communications Manager mode
Support for Cisco Unified IP Phone 7905
European date formats
Enhanced dialplan-pattern command
Increased directory-number maximums
Additional language options for IP phone
Configurable system message
Improved debugging for phones
Symmetric SIP gateway-to-gateway DTMF relay
Ringing timeout for phones
Cisco SIP phone support of basic calls only
Cisco Unified SRST 3.1
Support for Cisco Unified Wireless IP Phone 7920
Support for Cisco Unified IP Conference Station 7935 or Cisco Unified IP Conference
Station 7936
Cisco Unified SRST 3.2
Enhancement to the alias command
Enhancement to the cor command
Enhancement to the pickup command
Enhancement to the user-locale command
Increased number of phones supported on the Cisco 3745 Multiservice Access Router
MOH multicast from live feed in Cisco Unified CallManager and Communications
Manager mode
No timeout for call preservation*
RFC 2833 DTMF relay support
Translation profile support
Cisco Unified SRST 3.3
Support for Cisco Unified IP Phone 7970G, 7971G-GE, 7961G, 7941G, 7961G-GE,
7941G-GE, and 7911G models
Enhancement to the show ephone command (new Cisco Unified IP Phone model
keywords)
Secure Cisco Unified SRST 3.3
with Cisco Unified
CallManager 4.1(2)
Basic call
Call transfer (consult and blind)
Call forwarding (busy, no answer, and all)
Shared line (IP phones)
Hold and resume
Hold and pickup
Only secure calls between IP phones or Cisco Unified SRST routers
Cisco Unified SRST 3.4
Fault monitoring with SNMP Cisco SRST MIB, including:
Cisco Unified SRST state and duration
Phone registration and failure
Threshold unregistration
Total calls handled in Cisco Unified SRST mode
Cisco Unified SRST support for Cisco Unified IP Phones using SIP loads
SIP proxy and registrar services in Cisco Unified SRST mode plus back-to-back user
agent for support of supplementary features
SIP features: call forwarding, call hold, call transfer (blind and consult), distinctive
ringing, time-based call blocking, and SIP phone-load features
Cisco Unified SRST 4.0
Support for video calls with Cisco Unified Video Advantage Client
Support for Cisco IP Communicator
Fax pass-though using SCCP with Cisco ATA 180 Series Analog Telephone Adaptors
Call preservation enhancements between IP phones and H.323-controlled voice
gateways