How do you remove a name from rejected list in Samsung corby pro mobile?

This is the path on most Samsung devices:

Reject list for most Samsung devices:

To Reject Calls:

Recent calls

All calls

Options

Reject list

To Reject Text Messaging:

Menu

Messaging

Messaging settings

Text messages

Block number

Once you get to the list and find the number that is blocked then delete that number from the list.