https://www.pistack.xyz/tags/voip/Recent content in Voip on Pi StackHugoen-usSat, 18 Apr 2026 00:00:00 +0000https://www.pistack.xyz/posts/2026-04-18-kamailio-vs-asterisk-vs-freeswitch-self-hosted-voip-pbx-guide-2026/Sat, 18 Apr 2026 00:00:00 +0000https://www.pistack.xyz/posts/2026-04-18-kamailio-vs-asterisk-vs-freeswitch-self-hosted-voip-pbx-guide-2026/<p>Building your own telephone system used to require expensive proprietary hardware and vendor lock-in. Today, three mature open-source projects — <strong>Kamailio</strong>, <strong>Asterisk</strong>, and <strong>FreeSWITCH</strong> — let you run a full-featured VoIP/PBX server on commodity hardware, handling everything from SIP registration and call routing to voicemail, conferencing, and IVR menus.</p>