It can be due to line available or from the service provider side or due to some loose connecting in your phone.
Check the phone line with a new phone and see everything work fine or not.If work fine,the fault lies within your phone machine get it repair to a phone mechanic. If the problem lies with your phone line,you can always called the service provider and get the line check for error.
Note : When phone tapping is done,the caller and the receiver hear cracking noise too.
Answers & Comments
It can be due to line available or from the service provider side or due to some loose connecting in your phone.
Check the phone line with a new phone and see everything work fine or not.If work fine,the fault lies within your phone machine get it repair to a phone mechanic. If the problem lies with your phone line,you can always called the service provider and get the line check for error.
Note : When phone tapping is done,the caller and the receiver hear cracking noise too.