The Fonznik

Enter email address
And enter your password and press Start
Your ANI List add/delete
Contacts List add/delete
Contact Aliases add/delete
Contact telephone number
Get the per minute Call Charge for a number
Enter the number (international code format - E.164)
e.g. enter (US) (415) 555-2671 as +14155552671
or (UK) 020 7183 8750 as +442071838750
and press [GO]

Call charge/minute
Set a Maximum Call Charge
This will limit the maximum per minute call charge if anyone manages to spoof a number that you have registered that you call from, and make calls on your account.
Enter the Dollar amount e.g. 0.20 and press [SET]