Oh, and they sent me this after my second mail:
Description=VPNUGent
Host=rtrvpn.UGent.be
AuthType=1
GroupName=ipsecclient
GroupPwd=cisco123
Username=username (i know this one, i have some experience with the school's VPN
)
SaveUserPassword=0
EnableBackup=0
EnableNat=1
TunnelingMode=0
EnableLocalLAN=1
The settings on the blackberry have other names, and there are way more than these 11 here..