How can i unblock a number?

[Eileenday]

I cannot unblock a contact please help me i tried everything 

[Gwennyt]

I'm having the exact Sam problem. No help on how to unblock someone

[akarswathi]

From one phone number of my own family member, the call is not reaching my phone mosel Sont M2 Duel. The dialler gets a message "CALL FORWARDED". Please guide how to set right the defect.

Thank you,

A Karthikeyan