REPORT /egroupware/groupdav.php/principals/ HTTP/1.1
Host: boulder.outdoor-training.de
User-Agent: DAVKit/5.0 (770); iCalendar/5.0 (79); iPhone/4.3.3 8J3
Depth: 0
Authorization: Basic cmFsZjpyYWxiZWMzMg==
Content-Type: text/xml
Content-Length: 92
Connection: close

<?xml version="1.0" encoding="utf-8" ?>
<x0:principal-search-property-set xmlns:x0="DAV:"/>
