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Knowledge Base & Operational DocumentationWhy Does a VoIP Call Sound Fine on Headphones but Distorted on Speakerphone?
11/10/2026
Speakerphone distortion can come from acoustic feedback, device placement, microphone sensitivity, network jitter, or a handset hardware issue.
What to check
Compare the same call on headset and handset, check room acoustics and device firmware, inspect call quality metrics, and test internal and external calls.
Recommended next step
Isolate the endpoint or network factor and verify a stable test call before changing the wider setup. Informatix Systems can troubleshoot VoIP quality and communications.