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Cisco Unified
Survivable Remote Site Telephony (SRST) 4.1
Supported Firmware, Platforms, Memory, and Voice Products
Revised: August 27, 2012
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About Cisco Unified SRST 4.1 |
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Documentation |
See
Cisco Unified SRST. |
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Secure SRST |
See
Setting
Up Secure Survivable Remote Site Telephony. At minimum, Cisco Unified Communicatiosn Manager Version
4.1(2) is required for secure SRST. |
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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 |
To see a list of Cisco IOS releases that support Cisco
Unified SRST, see the Cisco
Unifed CME Compatibility Matrix. Cisco Unified SRST
is compatible with the same Cisco IOS releases as Cisco Unified CME. |
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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 Cisco
Unified Communications Manager compatibility. 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 |
2.1.1 |
N/A |
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Cisco VG224 |
12.4(13.13)T4 |
N/A |
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Cisco Unified IP Phone 7902G Cisco
Unified IP Phone 7905G Cisco Unified Phone 7912G |
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 Wireless IP Phone 7920 |
cmterm_7920.4.0-03-02 |
N/A |
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Cisco Unified Wireless IP Phone 7921 |
CP7921G-1.0.3 |
N/A |
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Cisco Unified IP Phone 7931 |
CMTERM_7931.8-3-1 |
N/A |
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Cisco Unified IP Conference Station
7935 |
CMTERM_7935.3-2-17-0
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N/A |
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Cisco Unified IP Conference Station
7936 |
CMTERM_7936.3-3-14-0
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N/A |
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Cisco Unified IP Phone 7940G |
P00308000700 |
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Cisco Unified IP Phone 7941G, 7941G-GE* |
SCCP41.8-3-1S |
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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 |
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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 with SRST
4.1, 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 1751-V |
24 |
24 |
144 |
128 |
32 |
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Cisco 1760,
Cisco 1760-V |
24 |
24 |
144 |
128 |
32 |
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Cisco 261xXM,
262xXM |
36 |
36 |
144 |
128 |
48 |
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Cisco 2650XM,
2651XMx |
48 |
48 |
192 |
128 |
48 |
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Cisco 2691 |
72 |
72 |
288 |
256 |
64 |
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Cisco 2801 |
24 |
24 |
120 |
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 3725 |
144 |
144 |
960 |
256 |
64 |
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Cisco 3745 |
480 |
480 |
960 |
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 |
800 |
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
CallManager, SCCP phones only |
3.3, 3.2 |
Cisco SRST is
not dependent on Cisco CallManager versions, but phone loads. |
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Cisco
CallManager, 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
CallManager, 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
CallManager, 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 |