Did not sync phone numbers UPDATE 2017-08-03: It was because most my contacts had no type definition in the vcard data.
App does not work on Android 6 and or webmailpro Connection to server failed, but same URI works with browser. So no server configuration problem. Seems App does not work on Android 6 and or webmailpro licensed version.
Just awesome Exactly the addon I needed for Aurora \o/
#1 Contacts manager: transfer, backup, sync, sharing & Dialer for professionals