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