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

  • Our Free Plans just got better! | Auth0 Icon
    Our Free Plans just got better! | Auth0

    With up to 25k MAUs and unlimited Okta connections, our Free Plan lets you focus on what you do best—building great apps.

    You asked, we delivered! Auth0 is excited to expand our Free and Paid plans to include more options so you can focus on building, deploying, and scaling applications without having to worry about your security. Auth0 now, thank yourself later.
    Try free now
  • Automate contact and company data extraction Icon
    Automate contact and company data extraction

    Build lead generation pipelines that pull emails, phone numbers, and company details from directories, maps, social platforms. Full API access.

    Generate leads at scale without building or maintaining scrapers. Use 10,000+ ready-made tools that handle authentication, pagination, and anti-bot protection. Pull data from business directories, social profiles, and public sources, then export to your CRM or database via API. Schedule recurring extractions, enrich existing datasets, and integrate with your workflows.
    Explore Apify Store
  • 1
    VoIP monitor

    VoIP monitor

    VoIP SIP and SKINNY quality analyzer and packet / audio recording tool

    VoIPmonitor is open source network packet sniffer with commercial frontend for SIP SKINNY MGCP RTP and RTCP VoIP protocols running on linux. VoIPmonitor is designed to analyze quality of VoIP call based on network parameters - delay variation and packet loss according to ITU-T G.107 E-model which predicts quality on MOS scale. Calls with all relevant statistics are saved to MySQL or ODBC database. Optionally each call can be saved to pcap file with either only SIP / SKINNY protocol or SIP/RTP/RTCP/T.38/udptl protocols. VoIPmonitor can also decode audio.
    Leader badge
    Downloads: 252 This Week
    Last Update:
    See Project
  • 2
    This project implements a simple STUN server and client on Windows, Linux, and Solaris. The STUN protocol (Simple Traversal of UDP through NATs) is described in the IETF RFC 3489, available at http://www.ietf.org/rfc/rfc3489.txt
    Downloads: 38 This Week
    Last Update:
    See Project
  • 3
    Stuntman - STUN server and client

    Stuntman - STUN server and client

    High performance, production quality STUN server and client library

    New version 1.2. This is the code to STUNTMAN - an open source STUN server and client code by john selbie. Compliant with the latest RFCs including 5389, 5769, and 5780. Also includes backwards compatibility for RFC 3489. ICE and WebRTC ready. Version 1.2 compiles on Linux, MacOS, BSD, and Solaris. Supports the STUN protocol on both UDP and TCP for both IPv4 and IPv6. Windows binaries are also provided. Additional features are in development. This is a mirror of the code on https://github.com/jselbie/stunserver More details on the project's website: http://www.stunprotocol.org
    Leader badge
    Downloads: 10 This Week
    Last Update:
    See Project
  • 4
    This project intends to build a complete CallerID-function for home- or small buisniess environments. It depends on simple hardware which everyone can build. It will present the incomming call's number on every workstation on the network.
    Downloads: 1 This Week
    Last Update:
    See Project
  • Dun and Bradstreet Connect simplifies the complex burden of data management Icon
    Dun and Bradstreet Connect simplifies the complex burden of data management

    Our self-service data management platform enables your organization to gain a complete and accurate view of your accounts and contacts.

    The amount, speed, and types of data created in today’s world can be overwhelming. With D&B Connect, you can instantly benchmark, enrich, and monitor your data against the Dun & Bradstreet Data Cloud to help ensure your systems of record have trusted data to fuel growth.
    Learn More
  • 5
    OpenGatekeeper is an Open Source H.323 Gatekeeper based on the work done by the OpenH323 project.
    Downloads: 1 This Week
    Last Update:
    See Project
  • 6
    The goal of this project is to provide a liveCD allowing the user to analyze networks for VoIP installations. This project gives you a global network state.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 7
    Downloads: 0 This Week
    Last Update:
    See Project
  • 8
    A C++ framework utilizing Design Patterns for creating Linux and Windows communications applications that contain Dialogic® products. Includes media and network classes (analog, digital, SIP, H323), multithreaded event handling, distributed app support.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 9
    Campus Ubicuo es un proyecto que se basa en el uso de los nuevos dispositivos portátiles para ofrecer a los usuarios movilidad en un Campus por medio de servicios telemáticos avanzados sobre tecnologías inalámbricas implementados con Sw Libre
    Downloads: 0 This Week
    Last Update:
    See Project
  • Powerful cloud-based licensing solution designed for fast-growing software businesses. Icon
    Powerful cloud-based licensing solution designed for fast-growing software businesses.

    A single-point of license control for desktop, SaaS, and mobile applications, APIs, VMs and devices.

    10Duke Enterprise is a cloud-based, scalable and flexible software licensing solution enabling software vendors to easily configure, manage and monetize the licenses they provide to their customers in real-time.
    Learn More
  • 10
    This is for people who loves Console and wants to configure pppd without any tool ... just this! it's not a CRT program so you wont be graphically prompted ... just few raw questions and you'll be online!
    Downloads: 0 This Week
    Last Update:
    See Project
  • 11
    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
    Last Update:
    See Project
  • 12
    OpenGL to ES realtime translator with extra profiling and debugging capabilities. It translates OpenGL calls into OpenGL ES and forwards them to the underlying OpenGL ES implementation DLL. Can also wrap on the standard OpenGL impl with ES simulation.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 13
    It's new technology for Development Personal Creation/Customization Services , based on XML standard and DAFSM (Finite State Machine Theory) , using multiple call control protocols.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 14
    The purpose of this project is creating a plugin for <a href="http://www.ethereal.com/">Ethereal</a> that will enable it to decode ITU-T Recommendation H.323 traffic. The implementation is based on <a href="http://www.openh323.org">OpenH323</a> code
    Downloads: 0 This Week
    Last Update:
    See Project
  • 15
    KDE-Application for isdnserver. It logs and tracks outgoing and incoming calls, provides graphical statistics and supports isdnserver's answering machine (voice box) functionality. You NEED ISDNSERVER to run kisdnmonitor. isdnserver.sourceforge.net
    Downloads: 0 This Week
    Last Update:
    See Project
  • 16
    MCU Media Server

    MCU Media Server

    SIP Video Multiconference Media Server with WebRTC support.

    REPOSITORY MOVED TO GITHUB!! https://github.com/medooze/media-server Video Multiconference Media Server with WebRTC support. Provide Multiconference and video broadcasting services to any SIP service. Supports VP8, H264, MP4V-ES, H263 and H263P, continuous presence, RTMP flash broadcasting, adhoc conferences, load balancing and administrative WEB interface. JSR309 driver implementation under development. .
    Downloads: 0 This Week
    Last Update:
    See Project
  • 17
    Mac OS X IOKit driver and utilities for the USB interface of NEC 3G mobile telephones.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 18
    Prototype testbed implementation of the IETF Media Server Control (MEDIACTRL) SIP Control Framework, comprehensive of both control and processing functionality (as in IMS MRF, Media Resource Function).
    Downloads: 0 This Week
    Last Update:
    See Project
  • 19
    MoboPlay for PC

    MoboPlay for PC

    Android device manager for PC, download apps, transfer and data backup

    Easily manage and control everything on your Android & iOS devices from computer. Sync, transfer and back up any data among different devices, including Android phone, Android tablet, iPhone, iPad and computer. Discover and download awesome content for your Android and iOS devices right from your desktop or laptop. Customize wallpaper and DIY ringtones of your own! And when I say everything and any data, I mean apps, games, contacts, messages, photos, music, videos, software, files, documents, etc.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 20
    ODINI
    The On-Demand Intelligent Network Interface (ODINI) is a solution to interconnect mobile and fixed networks for mission-critical communications. The objective of this project is to support the ODINI ecosystem with an open-source middleware library.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 21
    Open Telephony Server or OtServer for short it's a set of tools for developing telephony applications. A CallFlow Graphical Editor. Dialogic support.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 22
    This is an extension to the project OpenGatekeeper. It enable the routing through the gatekeeper of the RTP (audio and video) and T.120 (data) traffic so no traffic is directly exchanged between communication endpoints.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 23
    rtusd is a foundation set of real time enabled User Space Devices/Drivers designed to link to HRT high resolution Timer controlled POSIX threads and link re-factored Linux hdw drivers for 2.6.18+. rtusd propogates Linux RT to user space generically.
    Downloads: 0 This Week
    Last Update:
    See Project
  • 24
    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
    Last Update:
    See Project
  • 25
    SMSBR é uma ferramenta para envio de mensagens SMS. O envio é realizado através do site da operadora telefônica, ou seja, vocę deve estar conectado ŕ internet para enviar mensagems.
    Downloads: 0 This Week
    Last Update:
    See Project
  • Previous
  • You're on page 1
  • 2
  • Next