1721 IOS requirement

Does anyone know which IOS is required for the 1721 routers in order to utlize a VWIC-1MFT-T1/E1 card?
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markmeulemansConnect With a Mentor Commented:
12.3(14)T is the earliest release that supported that VWIC.  Also, if you have a smartnet contract, you can access the IOS Upgrade Planner, which will let you know which software is supported with your system configuration.
What IOS are you running now? DOes it see the hardware?
mcbridehAuthor Commented:
12.3-13 and it does not see the card
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