Remember: The best download is a safe download. When in doubt, contact Zoiper support and ask if they can provide a legacy installer directly via email – they may oblige for verified enterprise customers. Disclaimer: This article is for informational purposes only. The author and publisher are not affiliated with Securax Ltd. Always ensure compliance with software licensing agreements and local laws.
Introduction In the world of Voice over Internet Protocol (VoIP) softphones, few names are as recognizable as Zoiper. Developed by Securax Ltd., Zoiper has been a staple for users needing a lightweight, reliable bridge between their computer and VoIP services like Asterisk, FreeSWITCH, 3CX, or any SIP/IAX2 provider. Among the many iterations released over two decades, Zoiper 3.7 occupies a special place in the software’s history. Released in the early-to-mid 2010s, version 3.7 represents a classic, stable build before the company transitioned to the modern Zoiper 5 and Zoiper 6 interfaces with their cloud-centric features. zoiper 3.7 download
| Software | Protocol | Legacy OS Support | Free Version | |----------|----------|------------------|---------------| | MicroSIP | SIP only | Windows XP+ | Yes (open source) | | Linphone | SIP | Windows, macOS, Linux | Yes (open source) | | Jitsi (Desktop classic) | SIP, XMPP | Windows 7+ | Yes | | Telephone (macOS) | SIP | macOS 10.12+ | Yes | Remember: The best download is a safe download
Zoiper 3.7 |best| Download -
Zoiper 3.7 |best| Download -
Latest Version
Released December 24, 2025
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This version has not been security scanned yet.
Version Information
Version
1.3.6
File Size
95.9 KB
Released
12/24/2025
Latest Version
v1.3.6 (this version)
Changelog
No changelog available for this version.
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Remember: The best download is a safe download. When in doubt, contact Zoiper support and ask if they can provide a legacy installer directly via email – they may oblige for verified enterprise customers. Disclaimer: This article is for informational purposes only. The author and publisher are not affiliated with Securax Ltd. Always ensure compliance with software licensing agreements and local laws.
Introduction In the world of Voice over Internet Protocol (VoIP) softphones, few names are as recognizable as Zoiper. Developed by Securax Ltd., Zoiper has been a staple for users needing a lightweight, reliable bridge between their computer and VoIP services like Asterisk, FreeSWITCH, 3CX, or any SIP/IAX2 provider. Among the many iterations released over two decades, Zoiper 3.7 occupies a special place in the software’s history. Released in the early-to-mid 2010s, version 3.7 represents a classic, stable build before the company transitioned to the modern Zoiper 5 and Zoiper 6 interfaces with their cloud-centric features.
| Software | Protocol | Legacy OS Support | Free Version | |----------|----------|------------------|---------------| | MicroSIP | SIP only | Windows XP+ | Yes (open source) | | Linphone | SIP | Windows, macOS, Linux | Yes (open source) | | Jitsi (Desktop classic) | SIP, XMPP | Windows 7+ | Yes | | Telephone (macOS) | SIP | macOS 10.12+ | Yes |