Hey there, thanks for getting in contact with us about sending and receiving calls on your A11. We would recommend reaching out to our technical support team for assistance on this, they'll be able to troubleshoot the issue for you and walk you through next steps. You can reach them on 0800 726 786 (24/7) or live chat on http://livechat.support.samsung.com/Customer_new/NZ. Cheers, The Samsung Team.
