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  TABLE OF CONTENT 1. Prerequisites 2. Configuration Steps 3. Create New Configuration Files 4. Restart and Reload Asterisk 5. Configure Zoiper 5 Clients 6. Test the Setup 7. Verify Setup 8. Conclusion   1.  Prerequisites 1. Ubuntu 22.04 installed and updated:         sudo apt update && sudo apt upgrade -y     2. Asterisk installed:         sudo apt install asterisk -y     3.  Zoiper 5 softphone installed on client systems.   4. All client devices must be in the `192.168.0.0/255.255.255.0` subnet. 2.  Configuration Steps   1. Backup Existing Asterisk Configuration Files Navigate to the Asterisk configuration directory and rename the default files: cd /etc/asterisk sudo mv sip.conf sip.conf.old sudo mv extensions.conf extensions.conf.old sudo mv voicemail.conf voicemail.conf.old   3.  Create New Configuration Files   Create ne...

Understanding VoIP: Revolutionizing Communication Over the Internet In today’s connected world, communication technology plays a vital role in how we interact, both personally and professionally. One technology that has fundamentally transformed voice communication is Voice over Internet Protocol (VoIP) . VoIP has enabled users to make voice and multimedia calls over the internet, breaking free from traditional phone lines and opening up new opportunities for cost savings, flexibility, and functionality. In this post, we’ll dive into what VoIP is, how it works, its key protocols, benefits, and challenges. What is VoIP? Voice over Internet Protocol (VoIP) is a technology that allows you to transmit voice and multimedia communication over an internet connection rather than through a traditional analog phone network. Instead of using dedicated phone lines, VoIP technology converts voice signals into digital packets that travel over the internet or private networks. With VoIP, you can: - M...