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

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    The All-in-One Commerce Platform for Businesses - Shopify

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  • 1
    NbuExplorer
    Nokia NBU, NBF, NFB, NFC and ARC backup file parser, extractor and viewer. It can help you to check content of backup or extract files from it. Requires MS .Net Framework 2
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    Downloads: 185 This Week
    Last Update:
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  • 2
    SIM Card Manager

    SIM Card Manager

    Windows tool to read SIM card information and content

    SIMCardManager is Windows tool that can read a SIM card information (ICCID, IMSI, Pin states) and SIM card content : phone book (ADN), Fixed dialing (FDN) and SMS messages. It also enables you to authenticate with PIN when activated and export SIM card content to text files. You need to have a PC/SC compatible smart card reader or dongle with SIM slot. You can find other useful tools on my website http://www.idrix.fr
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    Downloads: 78 This Week
    Last Update:
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  • 3
    BlackBelt Privacy Tor/i2p+WASTE+VidVoIP

    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)
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    Downloads: 26 This Week
    Last Update:
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  • 4
    The libSRTP project has been moved to https://github.com/cisco/libsrtp
    Downloads: 30 This Week
    Last Update:
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  • 5

    The ASN.1 Compiler

    Go to github.com/vlm/asn1c for the latest version.

    This ASN.1 compiler turns ASN.1 specifications into C code. The asn1c is shipped together with conformant BER/DER/XER/PER codecs. The X.509, GSM TAP3, MEGACO, RRC and LDAP encoding and decoding examples are part of the source code distribution. NOTE: THE asn1c PROJECT HAS LARGELY MOVED TO GITHUB: http://github.com/vlm/asn1c
    Downloads: 2 This Week
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  • 6
    OSSEG is an IMS compatible security gateway that adds firewall, VPN, IDS, IPS, and monitoring functionalities to VoIP networks.
    Downloads: 1 This Week
    Last Update:
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  • 7
    Artemisa
    Artemisa is a honeypot for VoIP (SIP) networks. It is designed to connect to a VoIP domain as a user-agent backend in order to detect malicious activity at an early stage and also adjust the policies of the enterprise in real-time.
    Downloads: 0 This Week
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  • 8
    Cryptofon

    Cryptofon

    Cryptofon - a safe phone with integrated encryption.

    The Cryptofon is designed to enable safe and secure communication trough a regular PSTN line. It supports narrowband connections (~2400 bit/s and lower).
    Downloads: 0 This Week
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  • 9
    Eolos VoipAudit

    Eolos VoipAudit

    Universal Framework to audit Voip protocols's security

    Visual Framework Tool to scan/sniff address space, enumerate users, crack credentials, pattern based dial spoofing and security reporting for Voip protocols. This software is intended to give a general framework to build and plug Voip protocol analizers in order to fix security issues and enhance VoiP platforms confidence. It IS NOT intended to be a cracking tool for malicious system breakers, but a really software MUST for security people to assure Voip platform security.
    Downloads: 0 This Week
    Last Update:
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  • 10
    Java implementation of MIKEY (Multimedia Internet KEYing, RFC 3830).
    Downloads: 0 This Week
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  • 11
    One of the first secure telephony programs. Not limited to VOIP but can also directly encrypt a telephone line by using modems. Calls are encrypted using Diffie-Hellmann key exchange and several symmetric ciphers. Download is possible from Germany only, see homepage
    Downloads: 0 This Week
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  • 12
    A Simple Middlebox Configuration Protocol (RFC 4540) implementation for Linux. SIMCO is a signaling protocol that can be used by applications (such as SIP B2BUAs) to dynamically control firewalls and Network Address Translators (NATs).
    Downloads: 0 This Week
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  • 13
    With SIP Proxy you will have the opportunity to eavesdrop and manipulate SIP traffic. Furthermore, predefined security test cases can be executed to find weak spots in VoIP devices. Security analysts can add and execute custom test cases.
    Downloads: 0 This Week
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  • 14
    SMSID provides a Linux PAM that allows the use of a GSM cellular phone with SMS capabilities as a hardware token in a strong authentication system. In addition to the Linux PAM module, an extensible SMS server is included. This server is written in Java
    Downloads: 0 This Week
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  • 15
    SMSec is a free , open source, GPLed implementation of two-factor authentication via SMS (Short Message Service). It uses SMSD to "talk" to GSM modems, provides a flexible XMLRPC web-service for web-developers integrate SMSec into their web-apps.
    Downloads: 0 This Week
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  • 16
    openssl is well-known allover the world,but it is huge,complex.our target is develop a tinytls,it is small,simple,good understanding,and usually for embedded system.But it can support most openssl features.You can add some other features easily.
    Downloads: 0 This Week
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  • 17
    This turns a PDA with a wireless connection into a internet telephone.
    Downloads: 0 This Week
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  • 18
    VoIP Honey project provides a set of tools for building an entire honeynet, thus includes honeywall and honeypot emulating VoIP environments such as Asterisk PBX or OpenSer with fully configurable connections. Voip Honey runs on GNU/Linux and Windows Systems. It can be compiled for Mac OSX as well.
    Downloads: 0 This Week
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  • 19
    cau-dial is a phone scanner, or "wardialer" for UNIX platforms.
    Downloads: 0 This Week
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  • 20
    iDate searches via Bluetooth if there are potentially nice dates in your vicinity. You will be notified who is in your vicinity has iDate and whether these people could be a nice date if for each the profile matches the search profile of the other.
    Downloads: 0 This Week
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  • 21
    Embedded Linux platform, automatically built from source, for variety of network services including Asterisk. Based on astlinux and ptxdist projects.
    Downloads: 0 This Week
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  • 22
    This project is an open source linux-based router with highly advanced features. It has very sophisticated and state of the art routing , firewalling and security capabilities.
    Downloads: 0 This Week
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  • 23
    Telescan is a full featured, multithreaded war dialer written in C for Linux. It can log its activity and carrier information to a database, in which detailed reports can be run regarding activity.
    Downloads: 0 This Week
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  • 24
    x:einfach simple java components is a library for java. it includes various things like a page cache for web-content, a virtual string table, an ip subnet checker, string and date handling utilities, a connection pool and other simple things.
    Downloads: 0 This Week
    Last Update:
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