hello there, same issue on my AT&T Samsung Galaxy Note 3. No solution yet.
http://forums.androidcentral.com/samsung-galaxy-note-3/366911-samsung-galaxy-note-3-phone-call-issue-call-ended-immediately-when-making-phone-call.html#post3485665
** by searching online, it seems this is a general issue for many android phones for any carrier **
From Day 1 I got this new AT&T Samsung Galaxy Note 3 I started experiencing this phone call issue.
Symptom:
*Unable to make a phone call - Call ended immediately after dialing
*LTE signal is...