We are putting together an ISDN solution between our central site and remote locations.
We currently have a number of 1841s with ISDN BRI WIC cards installed and ready to go at our remote sites.
We have a 2821 at our central location that is only using one HWIC slot right now. We ordered an ISDN PRI circuit to terminate at this router, which will act as the failover if the primary connections to our remote sites go down.
My question is, what card do I need to purchase for this 2821 router? I searched for an ISDN PRI HWIC card, but did not see any. What is Cisco's solution for this?
The one you have does, using the correct IOS and configuration, please see:
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