[strongSwan] connect to corporate checkpoint gateway with strongswan, instead proprietary client

[vic - ukr.net]

Hello,
May be it's very easy question to someone, please advice.
In our company users get access to internal network from windows via 
checkpoint vpn client E80.60 
(https://supportcenter.checkpoint.com/supportcenter/portal/user/anon/page/default.psml/media-type/html?action=portlets.DCFileAction&eventSubmit_doGetdcdetails=&fileid=36623). 
Providing username and token passcode.
Does it possible (compatible) to set up vpn to checkpoint gateway on my linux 
box using strongswan?
Does someone had such experience?
Any help especially with config examples, will be helpful.
Thank you.
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