Actually; (basically) SIP over (basically) IPSec sounds pretty correct. Wish the dense technical manuals I read had explained it that way; makes a lot more sense to me as a Net Admin type of IT person.
I do remember reading that the protocol was basically encapsulated. Dunno about any encryption; probably there’s not any at the IPSec level. I do know that the SIMs themselves probably contain certs that have some value; I just don’t know if they handle any encryption or if they’re just lightweight little numbers for authentication only.
I’ve always hated Crustyroll.
Crustyroll got it’s start by standing on the backs of good noble fansubbers who provided their subs for free; and now they’ve come full circle. They became an enemy rather quickly when it profited them.