| MicroSIP Portable | SIP Inspector Pro | StarTrinity SIP Tester | VaxVoIP SIP Server SDK | |
| 3.21.6 | 6.06 | 3.1 | 8.6.0.6 | |
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| Open Source | Shareware | Freeware | Trialware | Licence |
| FREE | $200.00 | FREE | $840.00 | Price |
| 7.50 MB | 2.22 MB | 3.83 MB | 424.00 MB | File size |
| Jul 10, 2025 | Jul 4, 2020 | Jun 25, 2013 | Oct 17, 2025 | Update |
| 59 | 58 | 90 | 44 | Downloads |
| Windows 11, Windows 10 32/64 bit, Windows 8 32/64 bit, Windows 7 32/64 bit, Windows Vista | Windows XP, Windows Vista, Windows Vista x64, Windows 7, Windows 7 x64, Windows 8, Windows 8 x64, Windows 10, Windows 10 x64 | Windows XP, Windows Vista, Windows 7 x32, Windows 7 x64, WinOther, Windows 2003, WinServer | Windows 11, Windows Server 2019, Windows Server 2016, Windows 10 64 bit, Windows 8 64 bit, Windows 7 64 bit, Windows Vista, Windows XP 64 bit | OS |
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