diff -ur SOPE.orig/sope-appserver/NGObjWeb/WEClientCapabilities.m SOPE/sope-appserver/NGObjWeb/WEClientCapabilities.m
--- SOPE.orig/sope-appserver/NGObjWeb/WEClientCapabilities.m	2013-11-07 22:14:06.000000000 +0200
+++ SOPE/sope-appserver/NGObjWeb/WEClientCapabilities.m	2013-11-19 15:19:36.723001024 +0200
@@ -78,6 +78,7 @@
 #define WEUA_WDFS              47
 #define WEUA_ZideOne_Outlook   48
 #define WEUA_2DO               49
+#define WEUA_CalDAV_Sync_Adapter 50
 
 #define WEOS_UNKNOWN   0
 #define WEOS_WINDOWS   1
@@ -411,6 +412,9 @@
   else if (strstr(ua, "2Do")) {
     self->browser = WEUA_2DO;
   }
+  else if (strstr(ua, "CalDAV Sync Adapter (Android)")) {
+    self->browser = WEUA_CalDAV_Sync_Adapter;
+  }
   else {
     /* unknown browser */
     self->browser = WEUA_UNKNOWN;
@@ -510,6 +514,7 @@
     case WEUA_Cook_XMLRPCdotNET: return @"PHP PEAR XMLRPC";
     case WEUA_WDFS:              return @"WDFS";
     case WEUA_ZideOne_Outlook:   return @"ZideOne";
+    case WEUA_CalDAV_Sync_Adapter: return @"CalDAV Sync Adapter (Android)";
     default:                     return @"unknown";
   }
 }
@@ -672,6 +677,7 @@
   if (self->browser == WEUA_Sunbird)          return YES;
   if (self->browser == WEUA_WDFS)             return YES;
   if (self->browser == WEUA_ZideOne_Outlook)  return YES;
+  if (self->browser == WEUA_CalDAV_Sync_Adapter) return YES;
   return NO;
 }
 
@@ -1177,4 +1183,7 @@
 
   WDFS
     'wdfs/1.4.2 neon/0.26.4'
+
+  CalDAV Sync Adapter (Android)
+    'CalDAV Sync Adapter (Android) https://github.com/gggard/AndroidCaldavSyncAdapater Version:1.8'
 */