Echoing on VoIP calls is primarily caused by a microphone picking up sound from the speaker on the same device, creating a feedback loop where the sound is re-transmitted back into the call, often due to factors like high speaker volume, poorly positioned microphone, faulty hardware (like a damaged headset), or network issues like high latency and packet loss. 
 
Key causes of VoIP echoing:
  • High speaker volume:
    When the speaker volume is too loud, the microphone can pick up the sound coming from the speaker, creating an echo. 
     
  • Poor microphone placement:
    If the microphone is too close to the speaker, it can easily pick up the sound from the speaker. 
     
  • Faulty headset:
    A damaged or poorly functioning headset can cause the microphone to pick up sounds from the earpiece, leading to echoing. 
     
  • Network latency:
    Delays in network transmission can cause echoes as the voice signal is sent back and forth with a slight delay. 
     
  • Poor quality wiring:
    Damaged cables or poor connections can introduce interference that causes echoing. 
     
  • Incorrect device settings:
    Improperly configured audio settings on your device, like microphone sensitivity or speaker volume, can contribute to echo. 
     
  • Electromagnetic interference:
    If your VoIP device is placed close to other electronic devices, it can pick up interference which may manifest as echo. 
     
How to fix echoing on VoIP:
  • Lower speaker volume: Turn down the volume on your speaker to reduce the amount of sound picked up by the microphone. 
     
  • Adjust microphone position: Ensure your microphone is positioned away from the speaker. 
     
  • Use a headset: Using a quality headset can help isolate the microphone from the speaker. 
     
  • Check your network connection: Ensure you have a stable internet connection with low latency. 
     
  • Check device settings: Review your device's audio settings and adjust microphone sensitivity if necessary. 
     
  • Replace faulty hardware: If you suspect a damaged headset or other hardware, try replacing it.