My house fixed phone line got problem, I can't make call from home telephone for 3 years already. I did the following tests :

Test 1) When I use my house telephone to call my handphone, my handphone didn't ring, my handphone cannot receive the call at all.

Test 2) When I use my handphone to call my house telephone, my house telephone ring, but when I pick up the call, I hear nothing, no sound at all. Even I scream on my handphone, my house telephone also can't hear it.

Who can tell me what happen to my nail/finger? My finger injured by car door, basketball, pencil heart before. Then now my nail got 1 black line there, the black line cannot be washed, cannot be removed, I wait for 1 years already but it is still there, meaning the new nail grow up also got this black line! What happen? how to solve?