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Cisco Unified
Survivable Remote Site Telephony (SRST) 4.2
Supported Firmware, Platforms, Memory, and Voice Products
Revised: August 27, 2012
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About Cisco Unified SRST 4.2 |
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Documentation |
See
Cisco Unified SRST. |
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Secure SRST |
See
Setting Up Secure SRST. Cisco Unified Communications Manager 4.1(2)
or a later version is required for
secure |
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Secure SRST Specifications |
See
the Media
and Signaling Authentication and Encryption Feature for Cisco IOS MGCP Gateways for complete specifications. |
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Cisco IOS Compatibility |
Other
Cisco IOS software releases may inherit Cisco Unified SRST 4.2. To get a list
of Cisco IOS software releases that support Cisco Unified SRST, go to Feature Navigator. |
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Downloads |
To
download Cisco Unified SRST software, go to Technical Support Software Download for Cisco Unified CME and Cisco Unified SRST. Cisco
Unified SRST supports Cisco Unified Communications Manager firmware. For more
information, see the CiscoUnified
Communications Manager Compatibility Matrix. You
can download firmware files from Technical Support
Software Center for Voice Software. |
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DDTS Information |
To
obtain the latest Cisco Unified SRST DDTS information, go to Bug
Toolkit and search, by product, under Cisco
Survivable Remote Site Telephony. |
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Cisco Unified IP Phone Support |
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Device Type |
SCCP Firmware Filename |
SIP Firmware Filename |
Comments |
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CiscoATA-186 CiscoATA-188 |
ATA030203SCCP051201A |
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Cisco IP Communicator |
2.1.0.104 |
N/A |
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Cisco VG224 |
12.4(13.13)T4 |
N/A |
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Cisco
Unified IP Phone 3911 |
N/A |
SIP3951.8-1-1 |
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Cisco Unified IP Phone 7902G |
CP7902080002SCCP060817A |
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Cisco Unified IP Phone 7906G |
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Cisco Unified IP Phone 7910 |
N/A |
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Cisco Unified IP Phone 7912 |
CP7912080003SCCP070409A |
CP7912080001SIP060412A |
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Cisco Unified IP Phone 7914 Expansion
Module |
S00105000300 |
N/A |
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Cisco Unified IP Phone 7915 Expansion
Module |
B015-1-0-3 |
N/A |
Supported with Cisco IOS Release 12.4(15)T8. Supports only
36 buttons. |
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Cisco Unified IP Phone 7916 Expansion
Module |
B016-1-0-3 |
N/A |
Supported with Cisco IOS Release 12.4(15)T8. Supports only
36 buttons. |
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Cisco Unified IP Phone 7931 |
SCCP31.8-3-0-50S |
N/A |
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Cisco Unified IP Conference Station
7935 |
CMTERM_7936.3-3-9-0 |
N/A |
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Cisco Unified IP Conference Station
7936 |
CMTERM_7936.3-3-9-0 |
N/A |
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Cisco Unified IP Phone 7940G Cisco
Unified IP Phone 7960G |
P00308000500 |
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Cisco Unified IP Phone 7941G, 7941G-GE* |
SCCP41.8-3-0-50S |
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Cisco Unified IP Phone 7942G |
SCCP42.8-3-2S |
SIP42.8-3-2S |
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Cisco Unified IP Phone 7945G |
SCCP45.8-3-2S |
SIP45.8-3-2S |
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Cisco Unified IP Phone 7970G |
SCCP70.8-3-1S |
SIP70.8-3-1S |
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Cisco Unified IP Phone 7975 |
SCCP70.8-3-2S |
SIP70.8-3-2S |
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Cisco
Unified IP Phone 7985G |
cmterm_7985.4-1-4-0 |
N/A |
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*These phones are supported beginning
in Cisco Unified SRST 4.1 and Cisco IOS Release 12.4(15)T |
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Supported Platforms and Memory Specifications: SCCP/SIP IP Phones* |
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Cisco Platform |
Maximum Total IP Phones** |
Maximum SCCP/SIP IP Phones |
Maximum Total Ephone-dns or |
Recommended DRAM |
Recommended Flash Memory |
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Cisco 2801 |
24 |
24 |
256 |
128 |
64 |
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Cisco 2811 |
36 |
36 |
144 |
256 |
64 |
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Cisco 2821 |
48 |
48 |
192 |
256 |
64 |
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Cisco 2851 |
96 |
96 |
288 |
256 |
64 |
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Cisco 3825 |
336 |
336 |
960 |
256 |
64 |
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Cisco 3845 |
720 |
720 |
960 |
256 |
64 |
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Catalyst 6500
CMM*** |
480 |
480 |
960 |
256 |
64 |
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* Memory
recommendations and maximum numbers of IP phones are for common Cisco SRST
configurations only. Systems with large numbers of phones and complex
configurations may not work on all platforms and can require additional
memory or a higher performance platform. ** The
Maximum Total IP Phones can be split between SCCP and SIP phones as long as
the maximum total of IP phones are reached. *** Cisco
Caalyst 6500 CMM supports Cisco Unified SRST 4.0 with Cisco IOS Release 12.4
and supports Cisco Unified SRST 2.1 with Cisco IOS Release 12.2(13)ZC. To get the
same number of SIP IP phones support as SCCP IP Phones, SRST 4.1 in 12.4(15)T
is required |
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Compatible Voice Products |
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Product Name |
Version(s) |
Comments |
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Cisco
Communications Manager, SCCP phones only |
3.3, 3.2 |
Cisco SRST is
not dependent on Cisco Communications Manager versions, but phone loads. |
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Cisco
Communications Manager, SCCP phones only |
4.0/4.0 SR1 |
SRST Versions
3.1 and 3.2 were tested with cmterm-7940-7960-sccp.6-0-1.exe and 6-0.2.exe. |
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Cisco
Communications Manager, SCCP phones only |
4.1.3 SR2 |
SRST Version
3.4 was tested with the following IP phones: Cisco 7970G, Cisco 7960G, and
Cisco 7912G. |
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Cisco
Communications Manager, SCCP and SIP phones |
5.x |
See above
phone firmware vs phont type table |
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Cisco Unified
Communication Manager, SCCP and SIP phones |
6.x |
See above
phone firmware vs phone type table |