https://flixzone.icu Free production-grade tutorials for ViciDial, Asterisk, and VoIP infrastructure. en Thu, 07 May 2026 15:26:37 GMT https://flixzone.icu/tutorials/voip-monitoring-stack/ https://flixzone.icu/tutorials/voip-monitoring-stack/ Grafana + Prometheus + Loki + Homer + Smokeping + Blackbox Exporter Monitoring & Observability Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/ai-audio-analysis-service/ https://flixzone.icu/tutorials/ai-audio-analysis-service/ FastAPI + NISQA Neural Model + Silero VAD + Claude AI AI & Voice Agents Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/ai-voice-agent-asterisk/ https://flixzone.icu/tutorials/ai-voice-agent-asterisk/ AudioSocket + Deepgram STT + Groq LLM + Cartesia TTS AI & Voice Agents Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/doppia-repeat-caller-routing/ https://flixzone.icu/tutorials/doppia-repeat-caller-routing/ Custom Perl AGI + MySQL Implementation Guide ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/mariadb-multi-source-replication/ https://flixzone.icu/tutorials/mariadb-multi-source-replication/ 3 Masters to 1 Read-Only Replica with Database Renaming Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/cloud-vm-fleet-management-panel/ https://flixzone.icu/tutorials/cloud-vm-fleet-management-panel/ PHP + REST API + SQLite + Role-Based Access Control Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/whatsapp-group-monitor-email-reports/ https://flixzone.icu/tutorials/whatsapp-group-monitor-email-reports/ Build a complete WhatsApp monitoring platform using Evolution API, FastAPI, PostgreSQL, Claude AI, and Resend -- no official WhatsApp Business API required. Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/custom-asterisk-prometheus-exporter/ https://flixzone.icu/tutorials/custom-asterisk-prometheus-exporter/ A production-grade Python exporter that bridges Asterisk AMI and ViciDial MySQL into Prometheus metrics for real-time VoIP monitoring. Monitoring & Observability Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/vicidial-server-hardening-optimization/ https://flixzone.icu/tutorials/vicidial-server-hardening-optimization/ A battle-tested playbook for securing and tuning production ViciDial servers ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/vicidial-ring-group-monitoring/ https://flixzone.icu/tutorials/vicidial-ring-group-monitoring/ PHP Parser + MySQL + Real-time Dashboard Monitoring & Observability Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/claude-code-custom-skills-voip-ops/ https://flixzone.icu/tutorials/claude-code-custom-skills-voip-ops/ 15 Slash Commands for Monitoring, Investigation & Lookup AI-Powered Operations Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/vicidial-multi-country-team-isolation/ https://flixzone.icu/tutorials/vicidial-multi-country-team-isolation/ Campaigns, Inbound Groups, User Groups, SIP Peers, and Ring Group Fallbacks ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/vicidial-advanced-inbound-call-flow/ https://flixzone.icu/tutorials/vicidial-advanced-inbound-call-flow/ Blacklists, CLI Filtering, Ring-Back Delay, Agent Ranking & Recording Security ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/windows-vdi-optimization-powershell/ https://flixzone.icu/tutorials/windows-vdi-optimization-powershell/ Automated Script That Applies 37+ Optimizations and Frees 6.4GB+ Disk Space Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/job-scraper-ai-filtering-email-digest/ https://flixzone.icu/tutorials/job-scraper-ai-filtering-email-digest/ Build a Python system that scrapes 5 job boards daily, uses Claude AI to score each listing against your skills, and delivers a ranked HTML email digest -- completely hands-off. Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/softphone-mass-deployment/ https://flixzone.icu/tutorials/softphone-mass-deployment/ tSIP / MicroSIP + PowerShell + Config Server Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/monitoring-agent-deployment/ https://flixzone.icu/tutorials/monitoring-agent-deployment/ Deploy node_exporter, promtail, heplify, and a custom Asterisk exporter to distributed VoIP servers from a central monitoring host via SSH. Monitoring & Observability Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/voip-monitoring-php-dashboard/ https://flixzone.icu/tutorials/voip-monitoring-php-dashboard/ Multi-Tab Interface for Homer SIP, ViciDial Stats, Call Quality Analysis, and Server Health Monitoring & Observability Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/voip-troubleshooting-runbook/ https://flixzone.icu/tutorials/voip-troubleshooting-runbook/ A Systematic 7-Step Diagnostic Procedure for Asterisk & ViciDial Issues Monitoring & Observability Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/custom-cli-tool-voip-management/ https://flixzone.icu/tutorials/custom-cli-tool-voip-management/ Shell Script Wrapper for Asterisk + ViciDial + MySQL Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/recording-security-html5-player/ https://flixzone.icu/tutorials/recording-security-html5-player/ Apache mod_rewrite Protection + Dark-Themed HTML5 Audio Player with PHP Streaming Backend ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/elevenlabs-cloud-voice-agent-sip/ https://flixzone.icu/tutorials/elevenlabs-cloud-voice-agent-sip/ Cloud-Hosted Conversational AI with Custom Webhook Tools, SIP Trunk Routing, and Dynamic Call Context Injection AI & Voice Agents Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/call-transcription-faster-whisper/ https://flixzone.icu/tutorials/call-transcription-faster-whisper/ Batch transcription of ViciDial call recordings using Faster-Whisper (OpenAI Whisper optimized with CTranslate2) for speech-to-text at scale — on CPU, without cloud APIs. AI & Voice Agents Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/smart-ring-group-busy-skip-agi/ https://flixzone.icu/tutorials/smart-ring-group-busy-skip-agi/ A PHP AGI Script That Checks Extension State Before Dialing, So Only Idle Phones Ring ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/confbridge-conference-rooms-monitoring/ https://flixzone.icu/tutorials/confbridge-conference-rooms-monitoring/ Replace MeetMe with ConfBridge, Add Admin Controls, and Monitor Conference Activity ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/dinstar-gsm-gateway-vicidial/ https://flixzone.icu/tutorials/dinstar-gsm-gateway-vicidial/ Connect a physical GSM gateway to your ViciDial call center for making and receiving calls over cellular networks — complete with NAT traversal, inbound/outbound routing, and production troubleshooting. Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/voice-agent-prompt-engineering-conversation-design/ https://flixzone.icu/tutorials/voice-agent-prompt-engineering-conversation-design/ Designing Personalities, Conversation Flows, and Tool-Calling Workflows from Real Call Transcription Analysis AI & Voice Agents Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/voice-agent-stack-comparison-booking-backend/ https://flixzone.icu/tutorials/voice-agent-stack-comparison-booking-backend/ ElevenLabs Cloud vs Deepgram+Groq+Cartesia Local -- Architecture, Latency, Cost, and Migration AI & Voice Agents Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/vicidial-troubleshooting-mega-guide/ https://flixzone.icu/tutorials/vicidial-troubleshooting-mega-guide/ The top 20 most-discussed ViciDial problems — diagnosed and solved. ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/vicidial-cluster-setup-guide/ https://flixzone.icu/tutorials/vicidial-cluster-setup-guide/ A complete, step-by-step guide to building a distributed ViciDial call center ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/webrtc-viciphone-complete-setup/ https://flixzone.icu/tutorials/webrtc-viciphone-complete-setup/ The definitive guide** — consolidating 30+ forum threads, scattered blog posts, and hard-won ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/vicidial-safe-upgrade-playbook/ https://flixzone.icu/tutorials/vicidial-safe-upgrade-playbook/ The step-by-step guide to upgrading ViciDial without killing your call center ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/vicidial-database-performance-optimization/ https://flixzone.icu/tutorials/vicidial-database-performance-optimization/ The Complete Guide to Diagnosing, Tuning, and Scaling Your ViciDial Database ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/qa-pipeline-call-transcription-ai-scoring/ https://flixzone.icu/tutorials/qa-pipeline-call-transcription-ai-scoring/ Build an automated quality assurance pipeline that transcribes every inbound call using Faster-Whisper and scores agent performance with AI — running entirely on your existing ViciDial server with zero impact on live calls. AI & Voice Agents Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/vicidial-security-hardening-complete-guide/ https://flixzone.icu/tutorials/vicidial-security-hardening-complete-guide/ The definitive guide to locking down ViciDial, Asterisk, and supporting infrastructure against real-world attacks ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/ai-voice-agent-openai-realtime-asterisk/ https://flixzone.icu/tutorials/ai-voice-agent-openai-realtime-asterisk/ Build a Production Voice Agent Using OpenAI's Native Speech-to-Speech API with Asterisk AudioSocket AI & Voice Agents Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/containerized-asterisk-docker-compose/ https://flixzone.icu/tutorials/containerized-asterisk-docker-compose/ Docker + Docker Compose + Asterisk 21 + PJSIP + MariaDB + Redis + Nginx + Let's Encrypt + ARI + WebRTC Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/realtime-call-transcription-sentiment-dashboard/ https://flixzone.icu/tutorials/realtime-call-transcription-sentiment-dashboard/ Build a Live Monitoring System That Transcribes Active Calls and Displays Sentiment Analysis in Real-Time AI & Voice Agents Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/ai-powered-amd-whisper-ml-classifier/ https://flixzone.icu/tutorials/ai-powered-amd-whisper-ml-classifier/ Build a self-hosted answering machine detection (AMD) system that replaces Asterisk's built-in `AMD()` application with a Whisper-based speech recognition + machine learning classifier pipeline. Traditional AMD relies on energy detection and cadence analysis, achieving only 60-70% accuracy in real-world conditions — misclassifying live humans as machines (killing revenue-generating calls) and letting voicemail greetings through to agents (wasting expensive seat time). This tutorial's AI approach transcribes the first 3-5 seconds of answered audio using OpenAI's Whisper model, then feeds the transcript and audio features into a trained ML classifier that distinguishes human pickups from answering machines with 95%+ accuracy. The entire system runs on your own hardware with no per-call API costs, processes decisions in under 2 seconds, and continuously improves as you feed it new labeled data from your call center's actual traffic. AI & Voice Agents Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/freeswitch-fundamentals/ https://flixzone.icu/tutorials/freeswitch-fundamentals/ A complete beginner-to-intermediate guide to FreeSWITCH — the high-performance open-source telephony platform. Learn installation, SIP endpoint configuration, XML dialplan, IVR menus, voicemail, recording, and integration patterns from scratch, with production-ready configurations throughout. Whether you are migrating from Asterisk or starting fresh, this tutorial gives you everything you need to deploy a fully functional FreeSWITCH system with SIP phones, trunks, call routing, conferencing, and external application control via the Event Socket Layer. Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/kamailio-fundamentals/ https://flixzone.icu/tutorials/kamailio-fundamentals/ A complete beginner-to-intermediate guide to Kamailio — the high-performance open-source SIP proxy/router. Learn installation, SIP routing logic, user authentication, NAT traversal, TLS encryption, and load balancing from scratch, with production-ready configurations for use as a Session Border Controller (SBC) in front of Asterisk or FreeSWITCH. Whether you need to scale a single-server PBX to handle thousands of concurrent registrations, add a security layer in front of your media servers, or build a multi-tenant SIP platform, Kamailio is the tool that makes it possible. Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/kamailio-freeswitch-load-balancing-ha/ https://flixzone.icu/tutorials/kamailio-freeswitch-load-balancing-ha/ Build a carrier-grade VoIP platform by combining Kamailio as a SIP proxy/load balancer with multiple FreeSWITCH media servers. This advanced tutorial covers dispatcher-based load balancing, RTPEngine for media relay, WebRTC gateway integration, database-driven routing, geographic failover, and full high availability with no single point of failure. This is the architecture used by every major VoIP provider handling millions of calls — and by the end of this tutorial, you will have a production-ready platform capable of 10,000+ concurrent calls with zero-downtime upgrades and geographic redundancy. Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/homelab-media-server-complete-guide/ https://flixzone.icu/tutorials/homelab-media-server-complete-guide/ Transform an old laptop into a powerful self-hosted media server running Jellyfin, the *Arr suite, qBittorrent, AdGuard Home, Nextcloud, and 15+ services — all managed through Docker Compose with Intel QSV hardware transcoding, automated media management, and remote access via Tailscale. Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/vicidial-agent-performance-reports-explained/ https://flixzone.icu/tutorials/vicidial-agent-performance-reports-explained/ Master ViciDial agent performance metrics, learn how to generate actionable reports, and understand the data structures that power contact center analytics ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/setting-up-vicidial-callbacks-callbk-agent-auto/ https://flixzone.icu/tutorials/setting-up-vicidial-callbacks-callbk-agent-auto/ Learn how to configure and manage both agent-initiated and automatic callbacks in ViciDial with practical examples, database queries, and production troubleshooting techniques. ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/vicidial-lead-recycling-list-management-best-practices/ https://flixzone.icu/tutorials/vicidial-lead-recycling-list-management-best-practices/ Master advanced lead recycling strategies, implement intelligent list management workflows, and optimize your ViciDial contact center performance with production-tested configurations and real-world examples. ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/asterisk-cdr-analysis-extract-insights-from-call-detail-records/ https://flixzone.icu/tutorials/asterisk-cdr-analysis-extract-insights-from-call-detail-records/ Master the complete workflow for analyzing Asterisk Call Detail Records in production ViciDial environments—from database queries to real-time metrics and automated reporting. Monitoring & Observability Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/vicidial-ivr-setup-with-asterisk-inbound-call-menus/ https://flixzone.icu/tutorials/vicidial-ivr-setup-with-asterisk-inbound-call-menus/ Master building production-grade interactive voice response (IVR) systems in ViciDial using Asterisk dialplans, call routing, and real-time menu logic ViciDial Administration Fri, 13 Mar 2026 00:00:00 GMT https://flixzone.icu/tutorials/sip-trunk-failover-load-balancing-for-vicidial/ https://flixzone.icu/tutorials/sip-trunk-failover-load-balancing-for-vicidial/ Master multi-trunk redundancy, active-active load balancing, and failover logic to ensure zero-downtime calling in your ViciDial environment Infrastructure & DevOps Fri, 13 Mar 2026 00:00:00 GMT