PUT /egroupware/groupdav.php/ralf/addressbook/8C4F2AA3-1AD0-4D02-87C0-A0ED31D5039F.vcf HTTP/1.1
Host: boulder.egroupware.org
Content-Type: text/vcard; charset=utf-8
Connection: keep-alive
Authorization: Basic cmFsZjpzZWNyZXQ=
If-None-Match: *
Accept: */*
User-Agent: iOS/11.2.6 (15D100) dataaccessd/1.0
Content-Length: 231
Accept-Language: de-de
Prefer: return=representation

BEGIN:VCARD
VERSION:3.0
PRODID:-//Apple Inc.//iOS 11.2.6//EN
N:Becker;Birgit;;;
FN:Birgit Becker
EMAIL;type=INTERNET;type=HOME;type=pref:bb@EGroupware.org
REV:2018-03-23T17:49:49Z
UID:26207699-67A9-42CA-A0B2-E056ED1A040A
END:VCARD
