Hello,
I'm a Cisco Engineer and I'm sorry, I don't have a phone number to give you but I actually replied to this post to clarify something:
The WAP4410N is not a router, it is just an Access Point, so if you are trying to replace a router, this is really not the right device. As you can see this unit has a single port on the back as opposed to 4 LAN ports and 1 Internet port.
If you are correct o the model number then my advice is for you to look for another device, an actual router so that you can replace your Linksys unit.
I hope this was helpful