crwdns2933423:0crwdne2933423:0
crwdns2918538:0crwdne2918538:0

crwdns2934241:0crwdne2934241:0 Minho

crwdns2934249:0crwdne2934249:0:

It appears to me to be more audio related issues than "radio" (RF) issues. If the call is connecting properly but   no sound to or from the receiving end occurs, I would suspect the Audio IC (U0900).

crwdns2915684:0crwdne2915684:0:

open