I have an iPhone 17e, and my girlfriend has a Galaxy S26 Ultra. Regular cellular calls often fail or disconnect, so we've been using a calling app instead. While we were sitting quietly on a call, I suddenly heard a muffled voice that sounded like someone saying something about their leg hurting. My girlfriend didn't hear it and had no idea what I meant. About 10–20 minutes later, I heard what seemed to be the same voice again, followed by something like a throat clear. It happened a third time after she had started a video, and the sound had the same pitch and general quality each time. Could this be telephone crosstalk, audio bleeding from the video, or a glitch in the calling app? The internet connection is sometimes unstable, and I'm wondering whether there's a way to troubleshoot or prevent it.
3 Answers
Actual phone-line crosstalk usually sounds like a recognizable conversation from another call, while this seems brief, muffled, and tied to unstable internet or video playback. Try a different calling service as a test, and separately troubleshoot the failed cellular calls by checking Wi‑Fi calling, carrier settings, and signal strength.
This sounds more like an audio-routing or calling-app glitch than traditional crosstalk. If the sound appeared after she started a video, the app may have briefly mixed in audio from another source, or the connection may have delivered a corrupted/repeated audio packet. Try updating the app, fully restarting both phones, and testing with headphones versus the phone speakers.
I’d also check whether she’s using Bluetooth earbuds, a speaker, or another connected device. Audio can occasionally be routed strangely when switching between a call and video playback. Disable Bluetooth temporarily, close the video app completely, and see whether the mystery sound still occurs.
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