Calls from contacts or phone numbers added to the reject list are automatically ignored and the call is forwarded to voicemail.From a Home screen, tap the Contacts icon (located at the bottom). If unavailable, navigate: Apps > Contacts.Tap a contact...
Have you tried to reset your network? Remove your sim card and re- insert. When did you port your number. and from where? Try to contact the ppl that ported your number.
How long ago did you change your credit card information? sometimes it takes 72 hrs to update. If you just changed it try to check 24-72 hours to see if its been updated.
