Zoiper 5
free VoIP softphone for non-commercial use
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                Desktop
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                  Windows 
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                  Mac 
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                  Linux 
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                Mobile
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                  Android 
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                  iOS 
To use Zoiper you will need:
 
            a computer or a smartphone
 
            an internet connection
 
            a VoIP provider or a PBX
Find a list with preconfigured providers here.
Are you looking for the classic versions?

 
        
         
        
         
        
        