Hello! It has happened yesterday for the first Time. I have my O2 number for nearly 8 years. My husband was trying to call me and someone else answered , sounds like an indian guy, didn't say anything else apart of hello, hello, hello though.. I called- my number from a different number Than my husband's ,that was ok.
Crossed lines are very rare now with digital networks but occasionally they do happen.
More likely if maintenance is being carried out at the time too.
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