Self Hosted VoIP Server: Your Ultimate Guide

Hello there, Dev! Are you looking for ways to enhance your communication system? Well, you have come to the right place! In this article, we will discuss everything about self hosted VoIP server – its benefits, how it works, its set up process and everything in between. By the end of this read, you will learn how to improve your communication system, save money, and have better control of your phone system. So, let’s get started!

What is a Self Hosted VoIP Server?

VoIP (Voice over Internet Protocol) is a technology that allows communication over the internet instead of traditional phone lines. A VoIP server is required to implement this technology.

A self-hosted VoIP server is a server that you install on your own hardware or virtual machine. It allows you to have complete control over your phone system, privacy, and security. Unlike hosted VoIP solutions, you can customize the features and capabilities of your phone system to your business needs.

Features and Benefits of Self Hosted VoIP Server

Self-hosted VoIP servers come with a host of features and benefits:

Customizable features
You can add features tailored to your business requirements.
Lower costs
You can reduce communication costs by up to 80% compared to traditional phone systems.
Better control
You have complete control over your phone system, making it easier to troubleshoot and resolve issues quickly.
Improved privacy and security
You have complete control over your communications, ensuring that your data is secure and private.
You can easily expand your phone system as your business grows.

How Self Hosted VoIP Server Works?

A self-hosted VoIP server works by converting your voice into digital signals over the internet. The server then sends and receives these signals to and from other devices. The self-hosted VoIP server acts as a bridge between your phone system and the internet.

The server manages call routing, call control, and voice compression. It also provides features such as voicemail, call recording, and conferencing. The server software can be installed on a physical or virtual machine.

Set Up Self Hosted VoIP Server

The set up process for a self-hosted VoIP server is straightforward:

Step 1: Choose the Right Server Software

There are several self-hosted VoIP server software options available, including Asterisk, FreePBX, and FusionPBX. Ensure the software you choose is compatible with your hardware and meets your business requirements.

Step 2: Install the Server Software

After selecting the right software, you’ll need to download and install it on your hardware or virtual machine. The installation process varies depending on the software you choose, but most have step-by-step instructions available online.

Step 3: Configure Your Phone System

Once you have installed the software, you’ll need to configure your phone system. This includes setting up extensions, inbound and outbound routes, and adding features such as voicemail and call recording.

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Step 4: Connect Your Phone System to the Internet

Connect your phone system to the internet by configuring your server’s IP address, port forwarding, and firewall settings. You can then connect your phones to the server via SIP (Session Initiation Protocol) trunks.


1. What are the hardware requirements for a self-hosted VoIP server?

The hardware requirements depend on the number of users and the features you need. Generally, a server with at least 4GB RAM, 2GHz processor, and 120GB hard drive is sufficient for up to 50 users.

2. Can I use my existing phones with a self-hosted VoIP server?

Yes, you can use your existing phones with a self-hosted VoIP server provided they support SIP protocol.

3. Can I add features to my self-hosted VoIP server?

Yes, you can add features to your self-hosted VoIP server. Most server software has add-ons available to enhance the capabilities of your phone system.

4. How much does a self-hosted VoIP server cost?

The cost of a self-hosted VoIP server depends on the hardware and software you choose. A basic setup can cost as little as $500, while more complex systems can cost upwards of $10,000.

5. Is self-hosted VoIP server secure?

Yes, self-hosted VoIP servers are secure. They offer better privacy and security than traditional phone systems, and you have complete control over your communications.


Dev, in conclusion, a self-hosted VoIP server is an excellent investment for businesses looking for improved communication, lower costs, and complete control over their phone system. We hope this guide has provided you with valuable insights into self-hosted VoIP servers and how they work. If you’re ready to make the switch, we wish you the best of luck!