For this project, I was hired to fix a critical Telnyx - Vapi voice recording issue where the bot...For this project, I was hired to fix a critical Telnyx - Vapi voice recording issue where the bot...
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Favour Igbinevbo
• Dec 10
For this project, I was hired to fix a critical Telnyx - Vapi voice recording issue where the bot sounded perfectly clear on live calls, but the Vapi call recordings were distorted due to an improper VOIP setup. I diagnosed the problem, rebuilt the entire voice routing, and implemented a clean, stable SIP trunking connection between Telnyx and Vapi.
I configured a new Telnyx SIP connection, re-authenticated the trunk, ensured proper codec handling, and seamlessly reconnected the client’s phone number inside Vapi. Once the integration was rebuilt, both the live bot audio and recorded call quality became crystal clear with zero distortion.
As a bonus, I also screen-recorded the full setup and troubleshooting process so the client can reuse it for future VOIP or SIP-related issues.
VapiAI Chatbot DevelopmentAI AutomationPostman
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