FNB poor service/ Card not working when travelling

1. I was traveling overseas, and FNB blocked my credit card, leaving me stranded for days! The block was placed without my permission and knowledge. I advise the bank to contact their customers before performing such actions, especially when they are in a foreign country. I have informed the bank that I will be traveling overseas and provided the exact dates of my travel, yet they decided to block my credit card. I had to wait at the bank for hours to get the FNB permission to utilize my visa card overseas, and it was still not working when I traveled. I had to borrow money from a colleague.

2. The customer care desk provided poor service when dealing with my problem. They were hanging up on me, providing false information and lacking knowledge. They couldn't even tell me the reason why my card is not working!

3. I don't understand why FNB does this to their customers. Other banks allow you to use your card freely worldwide. If FNB bank thinks this is a security measure, then it is not working because you are causing a lot of trouble to your customers by leaving them stranded in a foreign country. At least make sure your help desk or credit card limit department are functioning before implementing policies. 3. Other banks allow their customer to use an "Application" to set their international limit and activate their credit card whereas FNB customers have to use the old fashion method (The TELEPHONE) press one for this and press two for that !!!! Waiting for hours sometimes to find someone kind enough to answer your call in order to perform a simple process or obtain a piece of information !!!! 4. I'm disappointed and shocked by the FNB level of service! The credit card limits department is not functioning at all, can you please advise the department to attend to their customers and answer the calls. 5. Finally, I would like to know why my card was not working. As this has ruined my travel experience!