Hello friend, I have trouble regarding my Nokia cell phone model C7.I bought this phone three month ago. I noticed that some of the phone number is not accepted by my mobile phone. When I put my SIM to another phone I am able to call on that number. I am not able to receive call from some number only like number start with 201. So why is it happening any valid reason please let me know. Please post the answer.Any help would be appreciated.
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