FonoSip is a good service, particularly if you're calling Latin America a lot. Unfortunately, they use the old-fashion VoIP approach requiring constant device registration to make a call, which means RF.com can't be used.
This is a discussion on FonoSip within the RF Dial forums, part of the Products category; FonoSip is a good service, particularly if you're calling Latin America a lot. Unfortunately, they use the old-fashion VoIP approach ...
FonoSip is a good service, particularly if you're calling Latin America a lot. Unfortunately, they use the old-fashion VoIP approach requiring constant device registration to make a call, which means RF.com can't be used.