In order to make phone calls via the Internet one’s device has to be compatible with Softphone software. In example in order to call from a PDA using VoIP technology one has to install Softphone software, in order for it to work properly, PDA has to have Softphone compatibility.
Broad-Connect Telecom''s SIP Trunking provides a cost effective solution for organizations to connect their premises-based business phone systems by utilizing new or existing broadband connections, replacing traditional telephone company circuits.