Makin a project

hello everybody im just wanted to ask a small question…
if i want to make a voip server for business, can i make international calls without passin through other provider in the other contries?
do i av to deal with a provider in any country i wanna call?
thank you

You can use any number of ITSP’s to terminate a call around the world. Here are a few

If you want pure voip (eg to voip phones connected to our asterisk box) then you do not need to connect to the PSTN.