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I am trying to install VPN tunnel through SMPP on my centos server and need help or some tutorial which shows how to do it.

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I've heard about using SMPP through a VPN, but building up a VPN over SMS... I think you will have high latencies no? – Lucas Kauffman Mar 26 '12 at 13:32

You want to implement a VPN over SMS - not the other way around?

If so, short of implementing the IP protocol over SMS I can't really see a good way to make this work.
If you want to try that method though You can use RFC 1149 and RFC 2549 as a reference/guide to implementing the transport layer.

(Yeah - not possible in any reasonable way as far as I can tell. Ignoring everyhing else, what Lucas said about latency would be a killer. your connections would be timing out constantly.)

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Hah, HTTP over SMS/MMS:… (lesson in perverse incentives, putting a cap on data, but allowing unlimited SMS) – cjc Mar 26 '12 at 15:32
@cjc I'm not sure how they implemented this, but I would imagine HTTP is much easier than a VPN link (HTTP is just text & presumably a sequence number to ensure it stays in order, you'd have to base64-encode the VPN traffic or similar binaries). Interesting bit of software though - I applaud the ingenuity! – voretaq7 Mar 26 '12 at 16:05

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