Best Open Source C VoIP Software

C VoIP Software

VoIP C 6 - Mature Clear Filters

Browse free open source C VoIP Software and projects below. Use the toggles on the left to filter open source C VoIP Software by OS, license, language, programming language, and project status.

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Smarter Packing Decisions for Retailers and 3PLs
Paccurate is an API-first cartonization solution.

Paccurate is the only patented cartonization solution that optimizes for transportation costs directly. So you can have the right boxes, and control how they're packed.

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1

BlackBelt Privacy Tor/i2p+WASTE+VidVoIP

Browse on Tor/i2p, Anon p2p Chat / FileTx, Conf / Video VoIP

Open Source - GPLv3 inc images. *** PLEASE NOTE: There are now 2 seperate versions here. *** One is Pre Firefox 57. The other is Post Firefox 57. *** For those providing mirrors, please enable your users to realize this. Vidalia Based, Tor as a Service Solution. MicroSip: enables FREE PC to PC video calling with no account sign-up and no middleman server. WASTE: enables FREE Conference VoIP, chat, file transfer and support. *** AI Powered *** Tor/i2p: enables safer browsing. Tor/i2p Profile: Browse over Tor/i2p on Firefox (Vanilla, ESR), Waterfox (Classic, New), Palemoon , LibreWolf and legacy CyberFox. As with all versions of Tor - do not rely on this for strong anonymity. A usability enhanced Privacy Pack. Use alongside Tor Browser Bundle. An installer, for : Vista 32/64, Win7 32/64, Win8 32/64, Win10 32/64, Win11, Linux (Wine)

11 Reviews

Downloads: 28 This Week

Last Update: 2026-02-01
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2

OpenSIPS/OpenSER-a versatile SIP Server

OpenSIPS (former OpenSER) is an GPL implementation of a multi-functionality SIP Server that targets to deliver a high-level technical solution (performance, security and quality) to be used in professional SIP server platforms. IMPORTANT: this is no longer the main hosting for the project. This was moved on GITHUB - https://github.com/OpenSIPS/opensips

7 Reviews

Downloads: 17 This Week

Last Update: 2019-03-07
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3

OpenAL mixer

OpenAL mixer aims to provide a multiplatform API built on top of OpenAL to get/set volume values (including support for capture devices) and list, select and mute input and output lines.

Downloads: 0 This Week

Last Update: 2013-05-16
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4

RADIUS to OSP

Connverts RADIUS acccounting messages to ETSI OSP CDRs

The RADIUS to OSP project is a module for the FreeRADIUS server which converts RADIUS accounting records into ETSI OSP Usage Indication messages.

Downloads: 0 This Week

Last Update: 2017-03-09
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Fax.Cloud delivers encrypted, point-to-point faxing with guaranteed delivery and built-in audit trails
For organizations in regulated industries needing a solution to replace traditional fax infrastructure and integrate with email or online portals

Unlike email or file-sharing tools, Fax.Cloud doesn’t bounce around the internet, exposed and vulnerable. It’s direct, encrypted, and verified. You get delivery confirmation, audit trails, and peace of mind, without the spam filters, metadata leaks, or cyber threats.

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