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how to configure SRST on Cisco 3825

Hi

 

I am using a Cisco 2811 as a voice gateway, however the maximum phone that it can support is only 35 for SRST ...but I have 140 phones that need to be supported...

 

I have a Cisco 3825 as a data router at the same location.... can I configure the telephony service on this router and but then the ISDN circuit is connected to the Cisco 2811 router ...

 

Also when I do a show telephony on this Cisco 3825, it doesnt support the command... do I have up upgrade the IOS in order to support SRST?

 

sh ver
Cisco IOS Software, 3800 Software (C3825-ADVSECURITYK9-M), Version 12.4(15)T9, RELEASE SOFTWARE (fc5)
Technical Support: http://www.cisco.com/techsupport
Copyright (c) 1986-2009 by Cisco Systems, Inc.
Compiled Tue 28-Apr-09 17:45 by prod_rel_team

ROM: System Bootstrap, Version 12.4(13r)T10, RELEASE SOFTWARE (fc1)

NSM-GW1 uptime is 7 weeks, 1 day, 8 hours, 29 minutes
System returned to ROM by power-on
System restarted at 07:49:54 AEST Mon May 12 2014
System image file is "flash:c3825-advsecurityk9-mz.124-15.T9.bin"


This product contains cryptographic features and is subject to United
States and local country laws governing import, export, transfer and
use. Delivery of Cisco cryptographic products does not imply
third-party authority to import, export, distribute or use encryption.
Importers, exporters, distributors and users are responsible for
compliance with U.S. and local country laws. By using this product you
agree to comply with applicable laws and regulations. If you are unable
to comply with U.S. and local laws, return this product immediately.

A summary of U.S. laws governing Cisco cryptographic products may be found at:
http://www.cisco.com/wwl/export/crypto/tool/stqrg.html

If you require further assistance please contact us by sending email to
export@cisco.com.

Cisco 3825 (revision 1.2) with 209920K/52224K bytes of memory.
Processor board ID FHK1243F148
2 Gigabit Ethernet interfaces
2 terminal lines
1 Virtual Private Network (VPN) Module
2 cisco Integrated Service Engine(s)
   Cisco Foundation Software 6.2.2 in slot 1
   Cisco WLAN Controller 7.0.240.0 in slot 2
DRAM configuration is 64 bits wide with parity enabled.
479K bytes of NVRAM.
62720K bytes of ATA System CompactFlash (Read/Write)

1 REPLY
VIP Purple

Hi, You can refer the

Hi,

 

You can refer the datasheet of SRST related to versions which can answer your queries .

 

http://www.cisco.com/c/en/us/products/unified-communications/unified-survivable-remote-site-telephony/datasheet-listing.html

 

regds,

aman

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