It does. MVA utilizes VXML and ISR-4000 routers do not support this. You need to use a ISR-G2 if you want to utilize this. Another option you can look into if you have to use ISR-4k is Virtualized Voice Browser - https://www.cisco.com/c/en/us/support/customer-collaboration/virtualized-voice-browser/tsd-products-support-series-home.html This is a relatively new product. I would check 11.6 version and see if it supports MVA or not.
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