How to create a separate gateway to pass traffic to POS System over dial up modem

I have never tried asking a theoretical question on EE before but here it goes.

I have a WAN that consists of Cisco 831 routers at 8 locations coming back to a Cisco 1841. All sites are Dynamic VPN's. My POS System has been having a hard time dealing with the VPN's and the traffic on them. I was wondering if there was a way for me to have some sort of Network modem that I could create a dial up connection to the corporate office and bypass the VPN traffic (Exchange, File Sharing, Browsing) I do not want to plug the modem into the work station. I had hoped there was a magical modem that could connect directly to the LAN and provide an alternate gateway for me to move my POS traffic?

Any help or suggestions would be greatly appreciated.
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giltjrConnect With a Mentor Commented:
Well, you could look at setting up QOS so that the POS traffic has higher priority.

How close are the locations to the data center?  Would the calls be long distance?  It could be cheaper to increase bandwidth to the Internet on your current connection.  What type of connections do you have to the Internet now?

I don't know the costs there, but in the Washington, DC. area it was something like $30 a month just for a dial-up line.
Since there are analog modems at both ends the maximum speed you can connect at is 33.6Kbps, so this could be a bottle neck.
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giltjrCommented:
Not to change the subject, but what problem is the POS system having?  If the VPN's are setup correctly the POS should not even know that they are VPN's, it should just see the fact that the IP address is not local and route it.

There are some cable and dsl modems that have dial-backup capabilities, but you are talking USD $200-$300 dollars.  I don't know if there are other modems that have IP built into them, I personally have never seen one.

Now are you planning to do this at more that one site?  Meaning do you need multiple modems and dial-up lines at the central site to allow all of the remote sites to dial-in at once?
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VendorExpertsExchangeAuthor Commented:
The issue I think I am having is the VPN's have too much traffic on them to support our MICROS system. I was hoping to break it off to its own direct circuit.

I have one central datacenter and 8 outside locations. I would need direct connections from each location.
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VendorExpertsExchangeAuthor Commented:
I think it sounded like a good idea but in the end will not be a srong as I desired. Thank you for your advice.
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