payment on hold

Hello, I have a question and hope anyone can say something to this problem. I get a bank transfer from turkish customer to my dubai company bank account. 2 days after customer transfered the money he get a call from bank that reference bank ask for what this transfer is... He gave them...

I received paypal payments the last 2 weeks, most of them went through without troubles but 3 of the show status PENDING - what does this means? I looked up the question on Google to see if I can find an answer but there is nothing useful there, the account is not new, there has almost be no...