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Mirial Softphone
Professional HD and SD video conferencing on Windows and Mac...
Express Talk VoIP Softphone
Express Talk is a free VoIP SIP based softphone for Mac OS X....
Express Talk Free VoIP Softphone for Mac
Internet phone to make calls on your Mac OS X...
Voix Manager
A switchboard application IAX phone integrated...
activity switchboard application Asterisk PBX activity Iax2 softphone switchboard