FreePBX Responsive Firewall vs Intrusion Detection (FreePBX 17)
FreePBX Responsive Firewall vs Intrusion Detection explained, why both are missing on open-source-only FreePBX 17, and how to rebuild the protection with fail2ban and your own firewall.
October 6, 2026
Asterisk and FreePBX Toll Fraud Prevention: 10-Point Checklist
A 10-point toll-fraud checklist for Asterisk and FreePBX: SIP allow-lists, passwords, outbound patterns, channel limits, working fail2ban, alerts and incident steps.
October 6, 2026
3CX vs FreePBX: Licensing, Hosting, Features and Lock-in (2026)
Neutral 3CX vs FreePBX comparison for admins (Oct 2026): licensing, cost, hosting, features by edition, customisation and lock-in, sourced from vendor pages.
October 6, 2026
Asterisk Dialplan Pattern Matching: X, N, Z, [ ], . and ! Explained
How Asterisk dialplan patterns work (X, Z, N, sets, . and !), which pattern wins, and how to test with dialplan show, with real output from Asterisk 22.
October 6, 2026
Asterisk Dialplan Pattern Tester: Which Extension Matches?
Test Asterisk extension patterns against a dialled number and see which one Asterisk picks, with the X, Z, N, [ ], . and ! rules explained.
October 6, 2026
Asterisk Call Recording with MixMonitor: Formats, Stereo, Retention
Set up Asterisk and FreePBX call recording with MixMonitor: options, stereo with r() and t(), file locations, formats, MP3 conversion and safe retention.
October 6, 2026
STIR/SHAKEN for Asterisk and FreePBX: Attestation and Who Signs
STIR/SHAKEN explained for Asterisk and FreePBX admins: attestation levels, why your provider signs, the 2025 third-party rule, and res_stir_shaken verification basics.
October 6, 2026
STIR/SHAKEN Identity Header Decoder (PASSporT)
Decode a SIP Identity header or PASSporT: attestation A/B/C, orig and dest numbers, iat age, origid and certificate URL. No signature check.
October 6, 2026
Asterisk WebRTC Setup: WSS Transport, Certificates, webrtc=yes
Set up Asterisk for WebRTC: certificate, HTTPS/WSS on port 8089, a PJSIP wss transport, endpoints with webrtc=yes, a browser client, checks and fixes.
October 6, 2026
Asterisk AudioSocket: Connect a Call to an AI Voice Agent
How Asterisk AudioSocket streams call audio to an AI voice agent: protocol, dialplan and channel options, a tested echo server, architecture and latency.
October 6, 2026
Asterisk Versions and EOL Dates: LTS Support Table and Upgrade Plan
Asterisk version support table with LTS and EOL dates from docs.asterisk.org (20, 21, 22, 23, planned 24), removed modules by version, and an upgrade checklist.
October 6, 2026
Install VICIdial with ViciBox 12: Express Setup, SSL and Firewall
Install VICIdial with ViciBox 12: hardware, ISO install, static IP and updates, vicibox-express, first login, SSL with vicibox-ssl and firewall hardening.
October 6, 2026