Before proceeding to the next steps, first you need to login to your email account using your internet browser at mail.globalreach.com in order to retrieve your Calendar "CalDAV URL".
Once you login click on the "Calendar" icon, which is the one highlighted with yellow color shown in the screenshot below, then click on the "Actions" menu and then click "Get CalDAV URLs".
Select and copy your "CalDAV URL" so that you can use it in the next steps for synchronizing your Calendar on your SmartPhone/Tablet.
Instructions for Apple iPhone and other iOS devices:
Instructions for Android devices: