Softphone Compatibility
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.
This function blocks all telephone calls going out of the country, thus, insuring in a case of undesirable international calls.
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