Knowledge Hub

Practical guides and playbooks for WhatsApp automation, IVR, CRM, AI hiring, and performance marketing.

Showing 9 of 396 results
VoiceBridge • 12 min
How VoiceBridge loads runtime configuration from the database: call routing, RTP params, AI instructions, and environment-specific overrides without redeploys.
2026-02-19 • voicebridge, postgresql, runtime-config
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Telecom Architecture • 12 min
Understand real scalability limits of standalone Asterisk and FreePBX, why databases and SIP handling become bottlenecks, and how modern telecom architectures handle hundreds of concurrent calls reliably.
2026-02-17 • asterisk, concurrent-calls, scalable-telephony
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Deployment • 15 min
Step-by-step Kamailio installation, SIP proxy basics, shared database routing, and full integration with Asterisk to support large-scale concurrent call handling.
2026-02-17 • kamailio, asterisk, sip-proxy
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Deployment • 15 min
Learn how OpenSIPS enables distributed SIP routing, shared user databases, and large-scale inbound call handling when combined with Asterisk media servers.
2026-02-17 • opensips, asterisk, sip-router
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Troubleshooting • 12 min
Step-by-step troubleshooting for Asterisk AMI connection problems including authentication errors, bind address issues, and firewall blocking.
2026-02-17 • ami, asterisk, connection
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Telecom • 13 min
Understand the real protocols behind phone calls in Asterisk—SIP signaling, SDP negotiation, RTP media flow, and secure WebRTC layers.
2026-02-16 • asterisk, sip, rtp
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Deployment • 12 min
Step-by-step Let’s Encrypt SSL generation on Ubuntu plus automated renewal script and verification for long-term secure deployments.
2026-02-16 • ssl, lets-encrypt, certbot
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Troubleshooting • 14 min
Complete Wireshark troubleshooting workflow for VoIP—live SIP capture, RTP stream decoding, NAT detection, and one-way audio diagnosis.
2026-02-16 • wireshark, sip, rtp
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Troubleshooting • 11 min
Fix disk-full errors in FreePBX by locating log growth, call recordings, voicemail storage, and applying safe cleanup plus prevention steps.
2026-02-16 • freepbx, disk-space, logs
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