I've looked into this problem too, and I think its hard for vendors in a mall type setting, where they may have access to a phone line but use it for credit car

I've looked into this problem too, and I think its hard for vendors in a mall type setting, where they may have access to a phone line but use it for credit card systems, or may not have access to separate internet connection. The site looks polished, and product looks solid. Good luck.