Knowledge Hub
Practical guides and playbooks for WhatsApp automation, IVR, CRM, AI hiring, and performance marketing.
VoiceBridge • 14 min
A deep dive into the VoiceBridge media pipeline: capture RTP from Asterisk, process with AI, and inject RTP back—fully duplex and production-safe.
2026-02-08 • voicebridge, architecture, asterisk
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VoiceBridge • 12 min
A practical RTP debugging guide: directionality, SSRC changes, payload mismatch, timestamp drift, and how to confirm real duplex audio on the wire.
2026-02-07 • rtp, ssrc, payload-type
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VoiceBridge • 11 min
The most common NAT and firewall problems that break duplex RTP: port ranges, symmetric NAT, SIP ALG, wrong advertised IPs, and how to fix them.
2026-02-07 • nat, firewall, rtp
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VoiceBridge • 13 min
A working RTP guide to inject audio back to the caller using ARI ExternalMedia, including RTP headers, payload type, and timing rules.
2026-02-06 • ari, externalmedia, rtp
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VoiceBridge • 12 min
The real causes of one-way audio with ARI ExternalMedia—RTP direction, ports, NAT, SSRC, timing—and fixes that restore duplex media.
2026-02-05 • asterisk, externalmedia, rtp
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