Internet Phone Software

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

  • Enterprise and Small Business CRM Solution | Clear C2 C2CRM Icon
    Enterprise and Small Business CRM Solution | Clear C2 C2CRM

    Voted Best CRM System with Top Ranked Customer Support. CRM Management includes Sales, Marketing, Relationship Management, and Help Desk.

    C2CRM consists of four modules that integrate to provide a comprehensive CRM solution: Relationship Management, Sales Automation, Marketing Automation, and Customer Service. Only buy what each user needs.
  • Android Device Management for tablets, kiosks, POS, rugged devices, and more Icon
    Android Device Management for tablets, kiosks, POS, rugged devices, and more

    For single-use devices that are vertical specific like POS, Kiosk, ATM, Digital Signage, etc.

    Esper is the industry's most powerful and comprehensive solution for single-purpose Android Enterprise devices such as kiosks, tablets, mPoS, digital signage, and more. It offers powerful, intuitive features to configure, deploy, and manage the your devices. It empowers control over the enterprise Android device lifecycle, including hardware, firmware, app development, monitoring, and remote remediation. Esper is the first solution to combine custom OS, enhanced firmware, a complete DevOps toolchain, and endpoint detection and response. Esper's full-stack admin suite goes beyond a regular MDM with unprecedented support for device management, remote control, and real-time OTA updates. It's the only single-dashboard suite for remote device diagnostics, advanced telemetry and debugging.
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    Elastix

    Elastix

    Unified Communications Server

    Elastix is a software-based PBX powered by 3CX and based on Debian. An open-standards solution, Elastix is an easy to install and manage UC system compatible with popular IP phones, gateways and SIP trunks. Elastix is complete with unified communications features such as integrated WebRTC video conferencing, chat, presence and softphones and smartphone clients for Windows, Mac, iOS and Android.
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    Downloads: 391 This Week
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  • 2
    trixbox CE is an easy to install, VOIP phone system based on the Asterisk PBX. trixbox is designed for home or office use. trixbox CE includes CentOS linux, mysql, and all the tools needed to run a business quality phone system. (formerly asterisk@home)
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    Downloads: 301 This Week
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  • 3
    Mumble

    Mumble

    Low-latency, high quality voice chat for gamers

    Mumble is an open source, low-latency, high quality voice chat software primarily intended for use while gaming. It includes game linking, so voice from other players comes from the direction of their characters, and has echo cancellation so the sound from your loudspeakers won't be audible to other players.
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    Downloads: 121 This Week
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  • 4
    libphonenumber

    libphonenumber

    Library for parsing and validating international phone numbers

    Google's common Java, C++ and JavaScript library for parsing, formatting, and validating international phone numbers. The Java version is optimized for running on smartphones, and is used by the Android framework since 4.0 (Ice Cream Sandwich). libphonenumber gets the type of the number based on the number itself; able to distinguish Fixed-line, Mobile, Toll-free, Premium Rate, Shared Cost, VoIP, Personal Numbers, UAN, Pager, and Voicemail (whenever feasible). Provides valid example numbers for all countries/regions, with the option of specifying which type of example phone number is needed. Quickly guesses whether a number is a possible phone number by using only the length information, much faster than a full validation. To include the Java code in your application, either integrate with Maven (see wiki) or download the latest jars from the Maven repository.
    Downloads: 4 This Week
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  • Cloud data warehouse to power your data-driven innovation Icon
    Cloud data warehouse to power your data-driven innovation

    BigQuery is a serverless and cost-effective enterprise data warehouse that works across clouds and scales with your data.

    BigQuery Studio provides a single, unified interface for all data practitioners of various coding skills to simplify analytics workflows from data ingestion and preparation to data exploration and visualization to ML model creation and use. It also allows you to use simple SQL to access Vertex AI foundational models directly inside BigQuery for text processing tasks, such as sentiment analysis, entity extraction, and many more without having to deal with specialized models.
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    Sipp is a performance testing tool for the SIP protocol. Its main features are basic SIPStone scenarios, TCP/UDP transport, customizable (XML-based) scenarios, dynamic adjustment of call-rate and a comprehensive set of real-time statistics.
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    Downloads: 109 This Week
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  • 6
    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: 52 This Week
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  • 7
    Open Phone Abstraction Library (OPAL) is a C++ multi-platform, multi-protocol library for Fax, Video & Voice over IP and other networks. Also included is the Portable Tool Library (PTLib) which is a C++ multi-platform abstraction library and collection o
    Downloads: 32 This Week
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  • 8
    Vem ai o Disc-OS 3.0 Aguardem.. Estamos Voltando! Modificações: Asterisk 18 Nova Interface UI Centos 8 Nodejs Disc-OS é uma distribuição de um PABX IP baseado em software livre. Desenvolvido para o mercado brasileiro com interfaces em português, de fácil instalação e configuração, contendo Linux customizado, software Asterisk 1.4 e configurador Disc.
    Downloads: 20 This Week
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  • 9
    Chan-SCCP channel driver for Asterisk
    Replacement for the SCCP channel driver in Asterisk. Extended features include Shared Lines, Presence / BLF, customizable Feature Buttons, and Custom Device State. Visit our discussion mailing list for help and join us as a developer if you like. The project moved to https://github.com/chan-sccp/chan-sccp
    Downloads: 16 This Week
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  • Precoro helps companies spend smarter Icon
    Precoro helps companies spend smarter

    Fully Automated Process in One Tool: From Purchase Orders to Budget Control and Reporting.

    For minor company expenses, you might utilize a spend management solution or track everything in spreadsheets. For everything more, you'll need Precoro. We help companies achieve procurement excellence and budget efficiency by building transparent, predictable, automated spending workflows.
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    The libSRTP project has been moved to https://github.com/cisco/libsrtp
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    Downloads: 21 This Week
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  • 11
    Sofia-SIP - a RFC3261 compliant SIP User-Agent library.
    Downloads: 71 This Week
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  • 12
    OSDial

    OSDial

    OpenSource Call Center and Dialer System

    An Open Source (predictive) Dialer. OSDial is a full featured GPL dialer which does Manual, Power and Predictive dialing out of the box. Its easily installed through one of our .iso images. Install manual available at http://store.osdial.com/ Full details available at web site (http://osdial.com).
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    Downloads: 14 This Week
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  • 13
    Java SIP softphone
    Peers is a very simple softphone. It's a SIP User-Agent, written in java, it works on windows, linux and mac. It can be used with SIP servers like opensips or asterisk IPBX. It supports G711 codec (PCMU and PCMA) and telephone-events (DTMF).
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    Downloads: 9 This Week
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  • 14
    Kiax is a softphone (soft phone, VoIP client) with a simple and comfortable user interface for making VoIP calls to Asterisk PBX. It depends on the iaxclient library to use Asterisk's IAX2 protocol for easy call configuration and audio setup.
    Downloads: 12 This Week
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  • 15
    jphonelite

    jphonelite

    Java VoIP Softphone (SIP) (replaced by jfPhone)

    jphonelite is a Java SIP VoIP SoftPhone for Desktops (Windows, Linux, Mac) and Android. Features 6 lines with transfer, hold, conference (up to all 6 lines), g711 u/a, g722, g729a, and video (video support in Linux or Windows only and includes H263/H264/VP8). Applet includes full JavaScript support. STUN/TURN/ICE supported. Encrypt media with SRTP. DTLS Key Exchange. Video conferencing with jPBXLite/0.12+ NOTE : THIS PROJECT HAS BEEN SUPERSEDED BY jfPhone. Please go to jfphone.sourceforge.net to get latest version.
    Downloads: 11 This Week
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  • 16
    Open Source 3GPP IMS Client
    Downloads: 23 This Week
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  • 17
    Masedisugiantodotcom

    Masedisugiantodotcom

    The point is an convenience

    As a mobile ROM Review Downloader-based application, which features ROM options from various developers around the world that can be downloaded easily here via the latest mobile application. We make it easy for those of you who like different ROMs for various reasons such as improving the appearance, increasing performance even for any purpose such as ROM for gaming and so on. based on your suggestions and needs to provide convenience
    Downloads: 15 This Week
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  • 18
    A TAPI driver for SIP. SIPTAPI gives you a click2dial feature with any TAPI enabled application (e.g. MS Outlook) and SIP PBX/proxy. This is the "free" version of SIPTAPI. There is also an enhanced commercial version available at www.ipcom.at.
    Downloads: 14 This Week
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  • 19
    Tekster - Send Free International SMS

    Tekster - Send Free International SMS

    TEKSTER is a Computer Application To Send FREE SMS Around the World!

    SUPPORT and GUIDES here: http://www.coresecproject.com/community/tekster/ Author: Mark Anthony Pequeras and CSECSOFTDEV TEKSTER is a Open-Source Software Written in Python for Sending FREE International SMS and can be also use as Email Client for GMAIL, Hotmail, Live and OutLook! Licensed under GPLv2 (Source at Tekster's Website) tags: send free sms, send free sms from desktop, send free text to the philippines, unlimited text, free International SMS, Windows and Linux Email Client / Multi-purpose
    Downloads: 22 This Week
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  • 20
    A iax console client with bluetooth support.
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    Downloads: 20 This Week
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  • 21
    Activa brings the Asterisk IP PBX to the call center. Built on top of Asterisk, Activa components enable successful call center implementations adding value in areas such as computer telephony, screenpop&click2dial, agent control, automatic dialing...
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    Downloads: 5 This Week
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  • 22
    This project has been superseded by OpalVoip (https://sourceforge.net/projects/opalvoip/) and H323Plus (https://sourceforge.net/projects/h323plus/) The OpenH323 project provides full featured, interoperable, Open Source implementation of the ITU H.323 teleconferencing protocol that can be used by personal developers and commercial users without charge.
    Downloads: 10 This Week
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  • 23
    The Asterisk .NET library consists of a set of C# classes that allow you to easily build applications that interact with an Asterisk PBX Server (1.0/1.2/1.4 version). Both FastAGI and Manager API supported. .NET/Mono compatible.
    Downloads: 6 This Week
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  • 24
    Simple testing tool to generate RTP data packets and send it via netwok interface or save into pcap file. Primarily intended for use with SIPp application to test speech quality with different codecs.
    Downloads: 16 This Week
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  • 25
    Skype Audio Player allows playing audio files (mp3, wav, wma) during Skype calls to both parties. It is a simple tool without luxurious functions, useful for those who study foreign languages using Skype and need to play sample dialogs or audio tests.
    Downloads: 4 This Week
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Open Source Internet Phone Software Guide

Open source internet phone software is a type of telecommunications technology that enables users to place and receive voice calls over the internet, often referred to as VoIP or voice over internet protocol. It enables people to make phone calls without needing a traditional telephone network, and can be used on any computer with an internet connection. The main benefit of open source internet phone software is that it allows users to make free or low-cost international or long distance calls using only their computers.

One of the advantages of open source internet phone software is that it provides users with a great deal of flexibility in terms of how they use their communications devices. With traditional telephony solutions, users are usually limited by service packages offered by service providers – for example, in terms of number of lines, types of services and costs involved. Open source internet phone software, on the other hand, gives users more freedom to customize their communications system according to their needs since most open source products come with a wide range of features such as call forwarding and voicemail functionality.

Another advantage is that open source solutions tend to be more secure than proprietary solutions since developers can view all the code and identify any bugs or vulnerabilities quickly. They can also make improvements or add new features as needed which means that updates are typically much faster than those provided by proprietary solutions. Additionally, due to its decentralization which means no single entity controls the data or communications traffic being sent through the network, there’s less chance for eavesdropping or unauthorized access.

Open source internet phone software also has some disadvantages including: complexity – while many companies are making improvements and simplifying the setup process; compatibility issues – some applications might not work across different operating systems; quality concerns – because there’s no central authority controlling the process like when relying on traditional telephone networks; and cost considerations – although most open source solutions tend to be cheaper than proprietary options in many cases additional hardware (such as headsets) may still need to be purchased in order for users to get full functionality from these products.

What Features Does Open Source Internet Phone Software Provide?

  • Voice over Internet Protocol (VoIP): VoIP technology allows for telephone conversations to be transmitted over the Internet instead of a traditional telephone network. It is used by businesses and individuals to make phone calls at a significantly lower cost than using regular landlines, as well as providing advanced features such as caller ID, conference calling, voicemail, and call waiting.
  • Video Conferencing: Open source internet phone software typically include video conferencing capabilities which enable users to engage in face-to-face meetings with remote participants from anywhere in the world. This can save businesses both time and money on costly business trips or conferences. It also has other benefits such as allowing remote employees to more effectively collaborate on work projects or participate in training without having to travel long distances.
  • Instant Messaging: Most open source internet phone software solutions provide instant messaging functionality that enables users to exchange text-based messages with one another in real time. This can be especially useful for businesses with teams that are geographically dispersed but need to communicate quickly and efficiently on a regular basis.
  • Voicemail: Voicemail capabilities are available with many open source solutions, which allow users to record messages when they’re unable to answer incoming calls. This can help ensure important calls aren’t missed by allowing them to be saved until they can listen back later at their convenience.
  • File Sharing: Many open source solutions include file sharing features, which enable multiple users to share documents and other files directly through the application itself in a secure manner. Furthermore, some solutions even allow for voice recordings or video clips to be shared easily between participants during audio or video conferences.

Different Types of Open Source Internet Phone Software

  • VoIP Applications: VoIP applications are programs that allow users to make phone calls over the internet. They can be used on computers, smartphones, and tablets. Features vary depending on the program, but most will offer audio and video calling options, call forwarding capabilities, voicemail options, conference calling services, and more.
  • Softphones: Softphones are special programs designed to work like traditional telephone systems. They provide all of the standard features of a regular phone system such as caller ID, call waiting, call transfer and voicemail. Many softphones also allow users to place international calls at reduced rates or even for free.
  • Webphone Software: Webphone software is a type of VoIP application that allows users to make calls through their web browser instead of using specific software or hardware. The only requirement is a good internet connection and preferably a headset for audio quality purposes.
  • SIP Phone Systems: Session Initiation Protocol (SIP) phone systems are another form of open source internet-based phone systems that use VoIP technology to make and receive calls from any device connected to the internet. This type of system offers end-to-end encryption between users for reliable security during communication sessions. It is often found in enterprise settings due to its scalability and reliability features.

What Are the Advantages Provided by Open Source Internet Phone Software?

  1. Cost Savings: Open source internet phone software can provide significant cost savings when compared to traditional telecom systems. This is because the software is typically free and does not require any additional equipment or setup fees.
  2. Flexibility: Open source internet phone software provides users with a high degree of flexibility in terms of features and functionality. It allows users to customize the system to best suit their needs, while also providing access to a variety of different communication protocols, such as VoIP and SIP trunking.
  3. Easy Integration: Open source internet phone software is designed specifically for easy integration into existing networks or services. This makes it easier for businesses to quickly get up and running with their new system, as well as seamlessly transition between providers if needed.
  4. Security: Open source internet phone software provides strong security protocols which protect user data from malicious actors on the web. Additionally, open source applications are more likely to receive regular security updates than closed-source offerings due to its community-supported nature.
  5. Scalability: One of the key advantages of open source internet phone software is its scalability. Organizations can easily upgrade their systems as required without having to purchase additional hardware or support services, making it an ideal solution for growing businesses that require reliable communications solutions at all times.

Who Uses Open Source Internet Phone Software?

  • Business Users: Business users can take advantage of open source internet phone software to communicate with clients, colleagues, and vendors. They can also access a variety of features such as call forwarding, call recording, and video conferencing that are not available on traditional landline phones.
  • Home Users: Home users benefit from the convenience and low cost of using open source internet phone software. By using VoIP technology, they can make international calls for much less than traditional long-distance providers.
  • Gamers: Gamers use open source internet phone software to communicate with each other during online games. The voice chat feature allows gamers from all over the world to interact in real-time while playing their favorite games together.
  • Education Institutions: Educational institutions use open source internet phone software to expand communication capabilities between students, teachers and staff members. This type of service is especially useful for engaging remote students in live classes or providing virtual office hours when necessary.
  • Healthcare Facilities: Open source internet phone software enables healthcare facilities to provide better care by allowing medical professionals to quickly contact one another within the same facility or connect with specialists located at other sites through telemedicine services.
  • NGOs/Nonprofits: Nonprofits often have limited budgets but need reliable ways to stay connected with their stakeholders spread across different locations. Open source internet phone solutions offer an affordable way for them to reach out without sacrificing quality or scalability

How Much Does Open Source Internet Phone Software Cost?

Open source internet phone software is typically 100% free of charge. As such, the cost of using open source internet phone software is usually nothing. Using these types of programs often requires minimal setup, since they are generally ready to use out-of-the-box. Although there may be some additional costs associated with setting up your own VoIP system (e.g., hardware costs and an Internet connection), utilizing open source internet phone software typically does not incur any extra expenses. Furthermore, because the software is freely available, users can customize their systems according to their specific needs without having to pay for a specialized service or additional features. Therefore, while it may take more time and effort to set up a personal VoIP system than simply signing up with a traditional provider, the cost savings from using open source internet phone software can make it well worth the effort in the long run.

What Does Open Source Internet Phone Software Integrate With?

There are many types of software that can integrate with open source internet phone software. These include virtual PBX solutions, IVR systems, and CRM applications. Virtual PBX solutions allow for businesses to have a more unified telephone system with features such as automated attendants, call routing and queuing, voicemail management and conference calling. Interactive Voice Response (IVR) systems allow customers to interact with an automated voice prompt in order to access information or be connected to the right person or department. Finally, Customer Relationship Management (CRM) applications allow businesses to manage their interactions with current and potential customers by tracking customer activity such as purchase history and providing customer support services. By integrating these types of software with open source internet phone software, businesses can streamline operations while also making sure that their customer service is optimized.

What Are the Trends Relating to Open Source Internet Phone Software?

  1. Open source internet phone software is becoming increasingly popular due to its ease of use and cost-effectiveness.
  2. It allows users to make free or low-cost calls over the internet, and can be used on almost any device with an internet connection.
  3. Many open source programs offer features such as VoIP (Voice over Internet Protocol), video calling, conference calling, text messaging, and more.
  4. These programs are often more secure than traditional phone systems, as they use encryption to protect data from being intercepted by malicious actors.
  5. Open source programs are also highly customizable, allowing users to tailor their experience to their individual needs.
  6. Additionally, many open source programs are integrated with popular services such as Google Voice and Skype, allowing users to access even more features.
  7. Finally, open source internet phone software is often free or low cost, making it an attractive option for businesses and individuals on a budget.

Getting Started With Open Source Internet Phone Software

Getting started with open source internet phone software can be a great way to make and receive calls without the need for a traditional telephone line.

To get started, you'll first need to download the appropriate software for your device. Popular open source options include Zoiper, Ekiga, and Jitsi. Most of these will have versions available for both Windows and Mac systems, as well as Linux-based mobile devices. Once you've downloaded the desired program onto your computer or smartphone, it's time to set up your account. This involves creating a username and password, along with some additional information such as address details if needed.

The next step is to configure your connection settings based on what type of network you're using (e.g., Wi-Fi or Ethernet). This includes specifying which port should be used (generally 5060) and what encryption protocol should be applied (typically either SIP or ZRTP). Depending on the exact software being used you may also have other options here such as audio codec selection and network proxy configuration.

When all of this is configured, you should be able to test out making a call by dialing in an appropriate number from within the specific program interface. If everything works properly then you are ready to start using open source internet phone software. However it's important to keep in mind that certain features, such as call forwarding or voicemail storage may not be supported depending on which particular program is being used - so it's always worth checking out the documentation for each application before deciding on one for use.