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Cisco Unified Survivable Remote Site Telephony

Cisco Unified SRST 4.0 Supported Firmware, Platforms, Memory, and Voice Products

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Cisco Unified Survivable Remote Site Telephony (SRST) 4.0 Supported Firmware, Platforms, Memory, and Voice Products

Table Of Contents

Cisco Unified Survivable Remote Site Telephony (SRST) 4.0
Supported Firmware, Platforms, Memory, and Voice Products


Cisco Unified Survivable Remote Site Telephony (SRST) 4.0
Supported Firmware, Platforms, Memory, and Voice Products

About Cisco Unified SRST 4.0
Documentation

See Cisco Unified SRST.

Secure SRST

See Setting Up Secure SRST. At minimum, Cisco Unified CallManager Version 4.1(2) is required for secure SRST.

Secure SRST Specifications

See the Media and Signaling Authentication and Encryption Feature for Cisco IOS MGCP Gateways for complete specifications.

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.

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 CallManager firmware. For more information, see the Cisco Unified Communications Manager Software Compatibility Matrix.

You can download firmware files from Technical Support Software Center for Voice Software.

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.


Cisco Unified IP Phone Support
Device Type
SCCP Firmware Filename
SIP Firmware Filename
Comments

CiscoATA-186
CiscoATA-188

ATA030100SCCP040211A.zup

Cisco IP Communicator

Cisco IP Communicator v 2.0(1) and higher supported

Cisco VG224

Version 12.4(2)T verified with SCCP analog ports

Cisco Unified IP Phone 7902G
Cisco Unified IP Phone 7905G
Cisco Unified Phone 7912G

CP7902060000SCCP050124A.sbin

Cisco Unified IP Phone 7910

P00403020214.bin

Cisco Unified IP Phone 7914 Expansion Module

S00104000100.sbn

Cisco Unified Wireless IP Phone 7920

cmterm_7920.3.3-01-08.bin

Cisco Unified IP Conference Station 7935

P00503010100.bin

Cisco Unified IP Conference Station 7936

cmterm_7936.3-3-5-0.bin

Cisco Unified IP Phone 7940G
Cisco Unified IP Phone 7960G

P00307020200.bin

P0S3-07-5-00.zip

Cisco Unified IP Phone 7941G, 7941G-GE*

Cisco Unified IP Phone 7961G, 7961G-GE*

TERM41.7-0-2-0S

Cisco Unified IP Phone 7970G
Cisco Unified IP Phone 7971G-GE

TERM70.7-0-1-0SR1s.loads, secure SRST TERM70.6-0-2SR1-0

*These phones are supported with SRST 3.3, 12.4 mainline.


Supported Platforms and Memory Specifications: SCCP IP Phones*
Cisco Platform
Maximum Total
IP Phones
Maximum
SCCP IP Phones
Maximum Total
Ephone-dns or Virtual Ports
Recommended
DRAM
Recommended
Flash Memory

Cisco 1751-V

24

24

144

128

32

Cisco 1760, Cisco 1760-V

24

24

144

128

32

Cisco 261xXM, 262xXM

36

36

144

128

48

Cisco 2650XM, 2651XMx

48

48

192

128

48

Cisco 2691

72

72

288

256

64

Cisco 2801

24

24

120

128

64

Cisco 2811

36

36

144

256

64

Cisco 2821

48

48

192

256

64

Cisco 2851

96

96

288

256

64

Cisco 3725

144

144

960

256

64

Cisco 3745

480

480

960

256

64

Cisco 3825

336

336

960

256

64

Cisco 3845

720

720

960

256

64

Catalyst 6500 CMM**

480

480

800

256

32

* 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.

** Cat 6500 CMM supports SRST 3.2 in 12.3(8)XY and supports SRST 2.1 with 12.2(13)ZC.


Supported Platforms and Memory Specifications: SIP IP Phones*
Cisco Platform
Maximum Total
IP Phones
Maximum
SIP IP Phones
Maximum Total
Ephone-dns or Virtual Ports
Recommended
DRAM
Recommended
Flash Memory

Cisco 1751-V

24

24

144

128

32

Cisco 1760, Cisco 1760-V

24

24

144

128

32

Cisco 261xXM, 262xXM

36

24

72

128

48

Cisco 2650XM, 2651XMx

48

36

108

128

48

Cisco 2691

72

72

288

256

64

Cisco 2801

24

24

72

128

64

Cisco 2811

36

36

144

256

64

Cisco 2821

48

48

192

256

64

Cisco 2851

96

96

288

256

64

Cisco 3725

144

144

500

256

64

Cisco 3745

480

192

500

256

64

Cisco 3825

336

168

500

256

64

Cisco 3845

720

480

720

256

64

Catalyst 6500 CMM**

480

NA

NA

256

32

* 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.

** Cat 6500 CMM supports SRST 3.2 in 12.3(8)XY and supports SRST 2.1 with 12.2(13)ZC.


Compatible Voice Products
Product Name
Version(s)
Comments

Cisco CallManager, SCCP phones only

3.3, 3.2

Cisco SRST is not dependent on Cisco CallManager versions, but phone loads.

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.

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.