i had a fail in the veryfication of the sms, i didnt receive the sms from whatsapp, and now i can see the option of call me, but we cant receive calls so... what went wrong? cant i receive messages?

Help me please, i cant receive sms, i sent a msg from other mobile to mine, and i cant receive it, the icon of the coberture is like disconnected, grey with a X...

In state of the phone i can read: phone numbre: unknown, and operator unknown too... help please :S