ICX Limit time change doesn't take effect

I'm working on the next case,default value of system profile ICX: Limit time is 4 hours, the value has been increased to 10 hours in order to avoid users to logout their sessions. After the change all services had been bounced, but sessions are still logging out after four hours.

SQL> select FND_PROFILE.VALUE('ICX_LIMIT_TIME') from dual;

FND_PROFILE.VALUE('ICX_LIMIT_TIME')
--------------------------------------------------------------------------------
10


I'll appreciate any ideas or suggestions

Thanks,
Felipe