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Take your
communication to
the next level with

FreeSWITCH

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We are in the ERA of VoIP-driven business communication where small, medium, and large businesses rely on trusted FreeSWITCH technology. FreeSWITCH’s wide range of features, benefits, and security level makes it the first choice for any communication solution requirement.

As FreeSWITCH is getting more updated with the support of a large community, the most recent version is FreeSWITCH 1.10.9, which was realized in March 2023. With each new version, there come more advanced features, bug fixes, and performance improvements.

So before we dive into the technicalities of FreeSWITCH installation, architecture, and other related things, let us first glance at what’s new and very interesting to note!

Do you know,

What does the latest
FreeSWITCH 1.10.9 version include?

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New Features

The latest FreeSWITCH version contains several versions, such as support for recording and transcribing voice messages and having voice mail messages as email attachments.

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Support from TLS encryption

The new FreeSWITCH version now supports TLS encryption that helps in protecting calls from eavesdropping and interception.

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Support for SRTP authentication

SRTP authentication for all calls helps in protecting calls from unauthorized modification.

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Improved Performance

With the latest version, FreeSWITCH can now handle more calls simultaneously with less CPU usage, optimizing the overall performance.

The newest version of FreeSWITCH has become hot news among developers.

In this detailed guide, beginning with a brief history, you will learn

Introduction to FreeSWITCH

History of FreeSWITCH

FreeSWITCH Architecture

How to Installation FreeSWITCH

Key Features of FreeSWITCH

Benefits and Advantages of FreeSWITCH

FreeSWITCH alternatives

What is the FreeSWITCH module

Security and Reliability

Top Industries that use FreeSWITCH

Top Companies Using FreeSWITCH

Potential challenges or limitations

Ecosmob’s Approach

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The guide is designed in a way, step by step; by the end of this document, you can install and work on your own FreeSWITCH solution.

Let's get started.

History of FreeSWITCH

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FreeSWITCH started when SIP was gaining traction at a large scale, and Asterisk, Sonus, and Cisco mainly dominated the market. FreeSWITCH is a free and open-source platform initially announced in 2006 by Matt Frost and Anthony Minessale Jr. at Genband. This project addressed commercial telecom software’s complexities, limitations,
and high costs.

The first-ever basic version of FreeSWITCH was officially released in May 2008. It was capable of handling voice calls, voice mails, and faxes. In the last five years, numerous business institutions have discovered FreeSWITCH and making an economic impact of $ 5 billion.
Today, FreeSWITCH is used in various sectors such as telecommunications, government, and educational institutions.

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Architecture of FreeSWITCH

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FreeSWITCH is written in C and C++ programming languages and typically uses the LGPLv3 license. FreeSWITCH architecture is framed to handle different types of media streams, such as voice, video, and data, with robust features like IVR, conferencing, call routing, and more. Its modular design is a good choice for a variety of telecommunication applications.

Additionally, FreeSWITCH architecture also aims to reflect the following properties

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    Stability

    An issue with one feature should maintain the working of the whole system, allowing new features to be added easily

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    Scalability

    FreeSWITCH should meet the requirements of businesses of all sizes and systems, as small as embedded software to as large as a cluster of full-blown carrier switches.

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    Flexibility

    The user should be able to choose the features it requires on various hardware platforms.

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How FreeSWITCH Development Can Scale Up Your Business Communications

Read More

Let us now explore

the modular system of FreeSWITCH components and their interaction with the whole FreeSWITCH architecture.

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How to Installation FreeSWITCH?

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FreeSWITCH installation comprises a set of general steps. Also,

refer FreeSWITCH Development Guide for more help.

Key Features of FreeSWITCH

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In this module, we will presume you have some basic understanding of the working of FreeSWITCH. Since FreeSWITCH include a large community and a variety of application modules, it possesses numerous features.

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Call Routing and Switching

FreeSWITCH offers flexible call routing capabilities that allow you to define the complexities of handling calls. This feature supports protocols, including SIP, WebRTC, H.323, and PSTN, ensuring smooth network communication.

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Media Handling and Transcoding

FreeSWITCH supports audio and video codecs and optimizes media processing and transcoding. It also handles various media streams and adapts them to condition different endpoints or network conditions.

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APIs and Integration

Extensive API and interfaces of FreeSWITCH help in integration with external systems and applications. It also includes an event socket that lets you control the FreeSWITCH and receive real-time events.

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Supports Codec

FreeSWITCH supports, including  G.711, G.723.1, G.729, and Speex. It allows FreeSWITCH to be used in various networks and devices.

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Wide variety of protocols

FreeSWITCH supports various protocols, including SIP, H.323, and MGCP.

Benefits and Advantages of FreeSWITCH

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FreeSWITCH offers many benefits over the traditional system. Here is a list of some of the key benefits of using

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Low Operating Cost

FreeSWITCH is an IP-based communications solution. Hence it significantly decreases phone bills and gives relief from hefty phone charges. It’s a big point of attraction for businesses with larger call volumes as they can save massive costs with FreeSWITCH.

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High-Performance

FreeSWITCH is reliable and stable. It is well known for being extremely performant. Compared to other telecommunication solutions like Asterisk, if Asterisk can maximum support 500 simultaneous calls, FreeSWITCH can handle 1000 concurrent calls simultaneously. Having such a capability of call operating FreeSWITCH helps businesses to render high performance.

If you are wondering which one is better, Asterisk or FreeSWITCH, Here is a detailed guide to help you.- Asterisk or FreeSWITCH – Which One To Choose?

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Scalability

Scalability is the world that closely resonates with the invention of FreeSWITCH. Whether you choose an on-premise or cloud-based solution, you always get the best ways to scale up or down your FreeSWITCH solution quickly. This comfort fosters excellent benefits to the growing organizations since, with FreeSWITCH, scalability is as easy as making another phone call.

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Stability

FreeSWITCH is modular and robust. All the resources managed by FreeSWITCH are handled differently. Additionally, the core functionality via a layered API manages the shared resources.

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Advanced Features

FreeSWITCH offers many cutting-edge functionalities, making it a powerful tool for communication. It supports audio/video conferencing, call routing, nesting IVRs, call recording, call forwarding, voice mail, and more. All these features can be an excellent arsenal for your business to thrive in a competitive market like today.

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Flexibility

FreeSWITCH is a versatile platform that supports various communication protocols and interfaces. It offers compatibility with other popular  VoIP protocols like  SIP (Session Initiation Protocol)and WebRTC (Web Real-Time Communication). This flexibility enables seamless integration of FreeSWITCH with different devices, applications, and network infrastructure.

Also Read: Benefits of Using a FreeSWITCH Billing Solution for Your Business

FreeSWITCH Alternatives

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    Besides Asterisk and FreeSWITCH, Kamailio solutions are mainly used in SIP routers. It enables the development of VoIP development services as well as communication platforms. Here is more about Kamailio Solution.

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    It is a proxy/server that supports voice, video, presence, IM (instant messaging), and other SIP extensions. OpenSIPS software development services own a set of features like dialogue support, IP blacklist, SIP security interface, gateway to SMS, etc.

What is FreeSWITCH Module?

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FreeSWITCH modules help in expanding the functionality of FreeSWITCH. These modules are grouped into broad categories and performers their dedicated tasks.

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The design goal of FreeSWITCH is to offer a modular, scalable system with a stable switching core and a robust interface.

Security and Reliability

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FreeSWITCH is typically designed keeping security measures in mind. In the techno-savvy world, like today, when data is money, security is one of the most significant concerns.

FreeSWITCH takes care of this ardent issue by implementing security factors like 

Top Industries that use FreeSWITCH

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FreeSWITCH is a versatile communication solution that can effectively cater to the communication need of various sectors. Here are some of the top industries that commonly utilize FreeSWITCH:

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Telecommunications and Call Centers

FreeSWITCH is widely used in the telecommunication sector. It offers a flexible and scalable solution to the service providers while enabling them to provide their customers with voice and video communication services. It handles incoming and outgoing calls efficiently, delivers personalized customer experiences, and manages call flows effectively. Features like call routing, real-time analytics call recording, call conferencing, voicemail, and IVR make it suitable for building a robust telecommunication solution.

IT and Technology

In the IT and technology sectors like IBM, FreeSWITCH offers a communication solution that can be easily integrated with other products and services. Since it is an open-source platform, developers can comfortably customize and extend its functionality per their requirements. In the IT sector, FreeSWITCH is quite helpful in developing applications, software-defined networking (SDN) solutions, and Internet of Things (IoT) communication systems.

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Healthcare

Since one of the perks of FreeSWITCH solutions is its security features, FreSWITCH suits you very well. It is readily used to facilitate telemedicine platforms facilitating doctors and patients to connect seamlessly.  Telepresence and telemedicine Solution in Healthcare Industries are the new-age driving communication forces in healthcare.  It is one of the best communication solutions for transmitting sensitive patient information while maintaining privacy and compliance with regulations like HIPAA.

Also Read: Role of Video Conferencing in Healthcare

Government and Public Sector

Government agencies and the public sector use FreeSWITCH to create communication systems for both internal and external communication. It offers scalable and secure solutions for teleconferencing, public participation, emergency services, and call routing.

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Education

FreeSWITCH is used in the educational field for various communication needs. It can be integrated into Learning Management Systems (LMS) to facilitate audio and video conferencing, primarily during live classes.

Top Companies Using FreeSWITCH

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FreeSWITCH is a versatile, extensible, and scalable open-source communication platform.

It is highly in demand among the top-leading organizations all over the world.

FreeSWITCH Telephony Technologies

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You can grasp an idea of FreeSWITCH magic through the following list of

organizations that use FreeSWITCH

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FreeSWITCH is an IP-based communications solution. Hence it significantly decreases phone bills and gives relief from hefty phone charges. It’s a big point of attraction for businesses with larger call volumes as they can save massive costs with FreeSWITCH.

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The eCommerce giant Amazon relies on FreeSWITCH for its customer connect services. FreeSWITCH provides call routing and management to amazon connect, a cloud-based contact center solution of Amazon.

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One of the most used messaging apps, WhatsApp relies on FreeSWITCH for its voice calling feature. Google handles as large as over 2 billion monthly active users of voice call with FreeSWITCH.

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FreeSWITCH provides unified communication and collaboration solutions to IT giant IBM. It enables voice and video conferencing capabilities in IBM’s communication platforms.

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Say goodbye to communication limitations – choose FreeSWITCH for unmatched performance!

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Distribution of companies that use FreeSWITCH based on company size (Employees)

Of all the customers that are using FreeSWITCH 38% are small 
(<50 employees), 42% are medium – sized and 19 % are large 
(>1000 employees).

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