Your voice sounds poor when you're the one making the call.
Your voice sounds poor when you're the one making the call.
You're experiencing better call quality on the other end when using your LG G7 with a custom ROM. This could be due to carrier restrictions or network conditions affecting signal strength. It's possible that some carriers limit or disable VoLTE support for certain devices or regions. Try switching networks or checking if your carrier offers VoLTE for your model.