Congstar - cheapest data prepaid in Germany?

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Originally Posted by Dm_

sounds interesting ...
I'll post over here a result of trying it via VPN channel
Just need to go through sipgate.de terms, not sure why do they do it absolutely for free ... ??? what's the trick?

thanks, guys, your assistance is much appreciated!

yes, its absolutely free as long as you dont use outgoing calls. I use that for about 10 years already and is the most reliable VoIP service we have. They also have a UK branch www.sipgate.co.uk but on the UK website i didnt found the VPN stuff.

Chris