| TekFax | Fax Voip Softphone | VaxVoIP SIP Server SDK | VaxVoIP SIP Recording SDK | |
| 1.9.3 | 4.1.1 | 5.2.0 | 8.0.4.0 | |
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| Shareware | Trialware | Shareware | Shareware | Licence |
| $306.00 | $190.00 | $840.00 | $1 280.00 | Price |
| 1.92 MB | 47.90 MB | 29.71 MB | 23.68 MB | File size |
| May 10, 2021 | Jul 29, 2024 | Apr 3, 2020 | Feb 19, 2024 | Update |
| 24 | 30 | 30 | 29 | Downloads |
| Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | Windows 11, Windows 10 32/64 bit, Windows 8 32/64 bit, Windows 7 32/64 bit | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | Win2000, Windows XP, Windows 7 x32, Windows 7 x64, Windows 8, Windows 10, WinServer, WinOther, Windows Vista, Windows Vista x64 | OS |
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