You switch to speakerphone during a Telegram call, and suddenly the other person hears their own voice bouncing back. Sometimes it’s faint. Other times it’s loud enough to make the call uncomfortable. This usually isn’t a Telegram server issue — it’s almost always audio feedback from the device.
The quick answer: speakerphone increases microphone sensitivity. If the mic picks up sound from the loudspeaker, it creates an echo loop.
Lower the Speaker Volume First
This sounds obvious, but it fixes more cases than expected.
When speakerphone is loud, your phone’s microphone can capture the caller’s voice coming from the speaker. Lower the volume slightly and ask the other person if the echo improves. Even a small reduction can break the feedback cycle.
Move the Phone Away From Hard Surfaces
If the phone is lying flat on a table, especially wood or glass, sound reflects upward into the microphone.
Try holding the device in your hand instead of placing it on a surface. If you need it hands-free, position it at a slight angle rather than flat against a desk.
Check for Case or Microphone Obstruction
Some protective cases partially cover the secondary microphone used for noise cancellation. When that mic is blocked, the device struggles to balance speaker output and mic input, leading to echo during voice calls.
Remove the case temporarily and test again.
Disable Other Audio Apps Running in Background
Occasionally, background activity from recording apps, call recorders, or voice assistants interferes with Telegram’s audio processing.
- Close all recent apps.
- Restart Telegram.
- Test another call.
If the issue only happens in Telegram but not in regular phone calls, the problem may be app-specific rather than hardware-related.
Update or Reinstall Telegram
Audio behavior sometimes changes after updates. If echo started right after installing a new version:
- Open the Play Store or App Store.
- Check for a newer Telegram update.
- If none is available, uninstall and reinstall the app.
Reinstalling refreshes audio permissions and clears temporary glitches.
Test With Wired or Bluetooth Headphones
If echo disappears when using headphones, the phone’s speaker-microphone loop is confirmed as the cause. In that case, using earphones during longer calls is often the most stable solution.
For comparison, other apps can show similar audio behavior when system resources conflict. A related situation is described here: YouTube autoplay stops functioning, where background app behavior affects core features.
Restart the Device
If the echo appeared suddenly and none of the above helped, restart your Android phone or iPhone completely. This resets temporary audio routing issues at the system level.
Frequently Asked Questions
Why does the other person hear echo but I don’t?
Echo usually returns to the remote caller because your microphone is picking up their voice from your speaker and sending it back.
Is this a network issue?
No. Poor network connection can cause delay or distortion, but true echo is typically hardware feedback.
Can a damaged microphone cause this?
Yes, especially if the secondary noise-canceling mic is malfunctioning. In that case, echo may also occur during regular phone calls on speaker mode.