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Checking I do not need Data License for this router

news2010a
Level 3
Level 3

Imagine the router below will be used strictly for SRST (via POTS or 4G wireless).

There is another CE MPLS router dedicated for data traffic. So if the CE goes down the hill, the router below takes over for SRST.

That said, can I get rid of the component in red below (SL-29-DATA-K9 ). Just want to double check.

Thanks!!!

C2911-CME-SRST/K9C2911-CME-SRST/K9Cisco2911 UC Bundle w/PVDM3-16,FL-CME-SRST-25, UC License PAK
Hardware
FL-CME-SRST-25FL-CME-SRST-25CiscoCommunication Manager Express or SRST - 25 seat license
ISR-CCP-EXPISR-CCP-EXPCiscoCisco Config Pro Express on Router Flash
MEM-CF-256MBMEM-CF-256MBCisco256MB Compact Flash for Cisco 1900, 2900, 3900 ISR
PWR-2911-ACPWR-2911-ACCiscoCisco 2911 AC Power Supply
CAB-ACCAB-ACCiscoAC Power Cord (North America), C13, NEMA 5-15P, 2.1m
CAB-AUX-RJ45CAB-AUX-RJ45CiscoAuxiliary Cable 8ft with RJ45 and DB25M
EHWIC-4G-LTE-VEHWIC-4G-LTE-VCisco4G LTE EHWIC for Verizon, 700 MHz Band 13 / CDMA Rev A
MEM-2900-512U1GBMEM-2900-512U1GBCisco512MB to 1GB DRAM Upgrade (512MB+512MB) for Cisco 2901-2921
PVDM3-16U64PVDM3-16U64CiscoPVDM3 16-channel to 64-channel factory upgrade
VIC2-4FXOVIC2-4FXOCiscoFour-port Voice Interface Card - FXO (Universal)
Software
FL-CMEFL-CMECiscoCisco Communications Manager Express License
SL-29-IPB-K9SL-29-IPB-K9CiscoIP Base License for Cisco 2901-2951
SL-29-UC-K9SL-29-UC-K9CiscoUnified Communication License for Cisco 2901-2951
FL-CME-SRST-5FL-CME-SRST-5CiscoCommunication Manager Express or SRST - 5 seat license
S29UK9-15202TS29UK9-15202TCiscoCisco 2901-2921 IOS UNIVERSAL
SL-29-DATA-K9SL-29-DATA-K9CiscoData License for Cisco 2901-2951
SL-29-SEC-K9SL-29-SEC-K9CiscoSecurity License for Cisco 2901-2951
C2911-CME-SRST/K9
4 Replies 4

paolo bevilacqua
Hall of Fame
Hall of Fame

For a simple SRST, you also don't need the DSP upgrade, the memory upgrade, and the security license neither.

Hey, but isn't the PVDM3-64 what can give me support for up to 64 phone users in the branch?

Reading the documentation I thought that if I keep PVDM3-16, the "16" means number of users supported. Isn't that right?


In my case I need to support up to 40 IP phone users in the branch via SRST.  I will put 4 POTS line in the Cisco SRST 2911.

PVDM is not needed for IP phones.

Only needed for voice ports, transcoding, hardware conferencing.

Oh my Gosh, reading the below, that is where I concluded DSPs were needed for SRST.

Maybe I totally misinterpreted what is written below or this article needs to be corrected then.

http://www.cisco.com/en/US/prod/collateral/voicesw/ps6788/vcallcon/ps2169/prod_qas0900aecd8028d113.html

Q. What are the supported Cisco IOS Software router platforms and network modules for Secure SRST?
A. Secure SRST is supported on the Cisco 2600XM, Cisco 2691 Multiservice Platform, Cisco 3725 and 3745 Multiservice Access Routers, Cisco 2801, 2811, 2821, 2851, 3825, and 3845 Integrated Services Routers, and the Cisco VG224 Analog Voice Gateway.
The SRST router needs digital signal processors (DSPs) for calls between the PSTN or analog phones and IP phones and for transcoding between different codecs. For Secure SRST, only the DSPs present on modules with the following part numbers are supported on Cisco ISRs:
• NM-HDV2

• NM-HD-1V/2V/2VE

• PVDM2

• EVM-HD

For Secure SRST, DSPs present on modules with the following part numbers are supported on Cisco ISR G2 routers:
• PVDM3

• NM-HDV2

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