Something like that. But reverse engineers (who I trust) after busting through all the anti-debugger protection, and looking at the protocol, seemed to be of the opinion that the app was way too reliant on Skype's servers and way too obfuscated for just IP protection alone. Better open source than sorry. Skype is not to be trusted. At least most EXEs you can debug but Skype has literally wiretrapped and packed the crap out of their exe for unworthy reasons. Stallman would consider it untrustworthy computing, let alone the networking part.