How to subscribe to URL accessible Addressbook contacts?

1. The subscriptions are defined in the preferences page.
2. Go to Subscriptions.
3. Click the "New Subscription" button.
4. In the shown form set the parameters as follows:
   1. Name of the subscription;
   2. Refresh type
      1. Manually;
      2. On scheduled interval: every [n] hours/days.
   3. Source type of the subscription source path:
      1. WebDAV path (local)
      2. URL (external WebDAV or other source)
   4. WebDAV Path / URL value.
   5. Username and password if needed.
   6. Options (Filter - What contacts to be accepted?)
      1. Include with Tags
      2. Exclude with Tags

Here is sample scenario how to set subscriptions in Addressbook:

1. Login at http://myopenlink.net:8890/ods/ as user demo
2. Go to its Addressbook
3. Go to Preferences -> Subscriptions -> New Subscription
4. In the shown form enter:
   1. Name: MyDemo Addressbook
   2. Refresh type: every 1 hour
   3. Source type: URL
   4. WebDAV path/URL: http://demo.openlinksw.com/DAV/home/demo/kidehen.vcf
   5. Username and password: demo
5. Click the button "Create".
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6. As result the subscription will be created.
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7. You can click the "Sync" button in order to force synchronization.
8. As result, in the "Status" column will be shown the result of the synchronization.
9. Now click the "Back" button.
10. As result will be shown the retrieved from the subscription above contacts.
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