Simple tests:
- This noise may not be heard while on WiFi call
- Similarly not while on FaceTime, Skype or WhatsApp Calls, you may encounter call breaking not static, hissing, echoes and other noises
As you may know, the to clearing phone line noise is to find out the culprit, more often the carrier is to be blamed. However at time faulty house wiring, long cables or the phone line itself could be indirectly disrupting the conversations.
Other culprits include the following:
- Bad Weather: Precipitation can leak into phone lines and cause disruptions. Lightening, even at a distance, can damage the connection.
- Wireless interference: Power lines, radio or television. transmitters, transformers and other electronic devices may cause noise on the phone line. --> Resolve Wi-Fi and Bluetooth issues caused by wireless ...
- DSL services: The high-frequency signals coming from DSL (digital subscriber line) devices sharing the phone line can create problems for other technology connected to the line.
If the noise happens occasionally, then you may blame the weather else look for places where there is less electrical, radio interference