This is exactly what you give to your IT at work. On our old WinMo units, Cisco sold an app to do the Cisco VPN so I never bought that but handed my phone to the IT staffer and filled out the request form. Then they would get it working.
I have to use vpn on android ,
when 2.3.7 works ok
but when upgrade with android 4.0
vpn can not connect? why?