Call and conf

my first post here will be on call and conf

does anybody already done the folowing
i have a predefinded list of number to dial out (how i enter this list maybe another subject)

so when i ask by for example dialing a specific extension
astersik dial this list of number they could land line one.
a nice to have will be to be able to asks for user password (by dtmf)
then once recognized then call are put inside a permanet conf (not a meet me one)


anybody can help me ?