Have you been bored about the complaints from customers because of the time difference.It means you have to give them response at night, which will be the obstacle for your limited sleeping time, do you think so? Now, you can take consider about support ticket system , which is very host in business online company. It is because of the following features:
Easy to use
100% web-based
Cross-browser
Cross-OS
Customer self-service system
Email synchronization
Smart assignment logic
Elaborate reports
Flexible customization
FAQ section / knowledgebase
Ticket tracker
History/logger