| Mizu VoIP Server | VaxVoIP SIP Server SDK | Axon Business Virtual PBx System | Voicent Flex PBX | |
| 7.4.8 | 5.2.0 | 2.22 | 9.0.5 | |
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| Commercial | Shareware | Shareware | Freeware | Licence |
| $3 900.00 | $840.00 | $195.00 | FREE | Price |
| 76.65 MB | 29.71 MB | 1.25 MB | 0.27 MB | File size |
| Jan 20, 2014 | Apr 3, 2020 | Mar 2, 2016 | Oct 23, 2013 | Update |
| 13 | 24 | 20 | 10 | Downloads |
| Windows XP, Windows Vista, Windows Vista x64, Windows 7 x32, Windows 7 x64, Windows 2003, WinServer, Windows Vista, Windows Vista x64, Windows Vista, Windows Vista x64, Windows 10, Windows 8, Windows Server 2012 | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | Windows 8, Windows 7 x32, Windows 7 x64, WinOther, WinServer, Windows Vista, Windows XP, Windows 10 | Windows XP, Windows Vista, Windows Vista x64, Windows 7 x32, Windows 7 x64, Win2000, WinServer | OS |
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