Asterisk PBX supports several methods for transferring and forwarding calls – blind transfers, attended transfers, call forwarding, follow-me,…
Asterisk and FreePBX systems are constant targets for SIP scanning bots, credential stuffing attacks, and toll fraud rings.…
IVR (Interactive Voice Response) is an automated phone system that plays pre-recorded prompts and routes callers based on…
The basic IVR setup with Asterisk and PJSIP covers menu prompts and simple call routing. That foundation works…
Kamailio is a high-performance, open-source SIP server capable of handling thousands of call setups per second. It functions…
Introduction RTPProxy is an open-source, high-performance RTP (Real-time Transport Protocol) proxy server used in VoIP infrastructures. It sits…
Asterisk is an open-source PBX (Private Branch Exchange) platform that handles SIP sessions, call routing, voicemail, IVR menus,…
WireGuard has become the go-to VPN protocol for engineers who value speed, simplicity, and strong cryptography. Unlike OpenVPN…
Running your own mail server gives you full control over email delivery, storage, and privacy. This guide walks…
Zimbra Collaboration Suite is a full-featured email and collaboration platform that includes email, calendaring, contacts, tasks, and document…
Every service you deploy on Kubernetes needs a way to receive traffic from outside the cluster. You could…
Netplan is the default network configuration tool on Ubuntu 24.04, sitting as a front-end that generates configuration for…
