to receive requests from guests.. do i need to be on line?
They would use their own phone. So, as long as they have at least cellular data connection it will work. They would need internet access via their own mobile device to access your book and send requests. Pretty much the only way to handle things properly is via online and via a server.
If you wish to further discuss, I suggest joining our Facebook User Group — which is much more active than the website forum: http://www.facebook.com/groups/pcdjusergroup/
Yes. Either using the WiFi at the establishment or a Mobile Hotspot.
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