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Knowledge Base & Operational DocumentationWhy Does a VoIP Call Have Echo Only for One Participant?
Echo heard by only one participant can originate from speakerphone acoustics, headset configuration, device gain, or audio processing on one endpoint. Network jitter usually causes choppy audio rather than a consistent delayed echo.
What to investigate
Compare handset, headset, and speakerphone behavior; test with another caller and device; review microphone and speaker levels; and note whether echo changes when one participant mutes. Check whether the endpoint uses a supported headset or Bluetooth profile.
Recommended response
Adjust the affected endpoint or replace faulty accessories before changing the organization’s call routing. Retest both directions and capture a short controlled example for provider support if the issue persists.
How Informatix Systems can help
Informatix Systems provides VoIP and business communications services. We can assess the affected platform, trace the issue through its dependencies, and recommend a practical next step. Contact us with the system involved, the time the issue began, and non-sensitive error details.