Select Menu > Call history, and scroll left to Missed calls, Dialled calls, Received calls or Rejected calls, depending on from where you want to save the contact.
Scroll to the number you want to save, select menu > Add to Contacts and select whether this is a new or an existing contact.
Select where you want to save the contact.
Add the contact's name, check that the phone number is correct, and choose Save.
Call a contact
You can call a contact directly from the contact list.