Asterisk for Mac

 
ZOIPER Free IAX / IAX2 and SIP softphone
Free Enterprise VoIP Phone and Fax System
Zoiper Free IAX and SIP softphone 2.15 AdminsParadise Voip PBX Phone and FAX System 1.0    
Zoiper Free IAX and SIP softphone 2.15 AdminsParadise Voip PBX Phone and FAX System 1.0    
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Attractel
ZOIPER 2.0 Free Edition is IAX / IAX2 and SIP phone, compatible with Asterisk.
AdminsParadise LLC
Free Enterprise Class VoIP PBX and Fax server. Features Asterisk and Hylafax
   
iax, sip, iax2, iax and sip, tcp, tls, srtp, t.38, fax, softphone VoIP, Phone, Phone System, Business, Telephony, Fax, PBX, Communication, Asterisk, Hylafax    
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