diff --git a/fhem/FHEM/90_at.pm b/fhem/FHEM/90_at.pm
index a1803a2b7..c964ed045 100755
--- a/fhem/FHEM/90_at.pm
+++ b/fhem/FHEM/90_at.pm
@@ -110,8 +110,9 @@ at_Define($$)
     RemoveInternalTimer($hash);
     InternalTimer($nt, "at_Exec", $hash, 0);
     $hash->{NTM} = $ntm if($rel eq "+" || $fn);
-    my $val = AttrVal($name, "disable", undef) ?
-                          "disabled" : ("Next: ".FmtTime($nt));
+    my $val = IsDisabled($name) ?
+                 (AttrVal($name, "disable", undef) ? "disabled" : "inactive") :
+                 ("Next: ".FmtTime($nt));
     readingsSingleUpdate($hash, "state", $val, 1);
   }
 
@@ -206,22 +207,36 @@ at_Set($@)
 {
   my ($hash, @a) = @_;
 
-  my $cmd = ($at_detailFnCalled ? "modifyTimeSpec" : "modifyTimeSpec:time");
+  my %sets = (modifyTimeSpec=>1, inactive=>0, active=>0);
+  my $cmd = join(" ", sort keys %sets);
+  $cmd =~ s/modifyTimeSpec/modifyTimeSpec:time/ if($at_detailFnCalled);
   $at_detailFnCalled = 0;
   return "no set argument specified" if(int(@a) < 2);
   return "Unknown argument $a[1], choose one of $cmd"
-    if($a[1] ne "modifyTimeSpec");
+    if(!defined($sets{$a[1]}));
+    
+  if($a[1] eq "modifyTimeSpec") {
+    my ($err, undef) = GetTimeSpec($a[2]);
+    return $err if($err);
 
-  my ($err, undef) = GetTimeSpec($a[2]);
-  return $err if($err);
+    my $def = ($hash->{RELATIVE} eq "yes" ? "+":"").
+              ($hash->{PERIODIC} eq "yes" ? "*":"").
+              $a[2];
+    $hash->{OLDDEF} = $hash->{DEF};
+    my $ret = at_Define($hash, "$hash->{NAME} at $def");
+    delete $hash->{OLDDEF};
+    return $ret;
+
+  } elsif($a[1] eq "inactive") {
+    readingsSingleUpdate($hash, "state", "inactive", 1);
+    return undef;
+
+  } elsif($a[1] eq "active") {
+    readingsSingleUpdate($hash,"state","Next: ".FmtTime($hash->{TRIGGERTIME}),1)
+      if(!AttrVal($hash->{NAME}, "disable", undef));
+    return undef;
+  }
 
-  my $def = ($hash->{RELATIVE} eq "yes" ? "+":"").
-            ($hash->{PERIODIC} eq "yes" ? "*":"").
-            $a[2];
-  $hash->{OLDDEF} = $hash->{DEF};
-  my $ret = at_Define($hash, "$hash->{NAME} at $def");
-  delete $hash->{OLDDEF};
-  return $ret;
 }
   
 sub
@@ -257,6 +272,11 @@ at_State($$$$)
 {
   my ($hash, $tim, $vt, $val) = @_;
 
+  if($vt eq "state" && $val eq "inactive") {
+    readingsSingleUpdate($hash, "state", "inactive", 1);
+    return undef;
+  }
+
   return undef if($hash->{DEF} !~ m/^\+\d/ ||
                   $val !~ m/Next: (\d\d):(\d\d):(\d\d)/);
 
@@ -437,8 +457,17 @@ EOF
         Change the execution time. Note: the N-times repetition is ignored.
         It is intended to be used in combination with
         <a href="#webCmd">webCmd</a>, for an easier modification from the room
-        overview in FHEMWEB.
+        overview in FHEMWEB.</li>
+    <li>inactive<br>
+        Inactivates the current device. Note the slight difference to the
+        disable attribute: using set inactive the state is automatically saved
+        to the statefile on shutdown, there is no explicit save necesary.<br>
+        This command is intended to be used by scripts to temporarily
+        deactivate the at.<br>
+        The concurrent setting of the disable attribute is not recommended.
         </li>
+    <li>active<br>
+        Activates the current device (see inactive).</li>
   </ul><br>
 
 
@@ -488,7 +517,6 @@ EOF
 
   </ul>
   <br>
-
 </ul>
 
 =end html
@@ -593,6 +621,18 @@ EOF
         Modifikation im FHEMWEB Raum&uuml;bersicht, dazu muss man
         modifyTimeSpec in <a href="webCmd">webCmd</a> spezifizieren.
         </li>
+    <li>inactive<br>
+        Deaktiviert das entsprechende Ger&auml;t. Beachte den leichten
+        semantischen Unterschied zum disable Attribut: "set inactive"
+        wird bei einem shutdown automatisch in fhem.state gespeichert, es ist
+        kein save notwendig.<br>
+        Der Einsatzzweck sind Skripte, um das at tempor&auml;r zu
+        deaktivieren.<br>
+        Das gleichzeitige Verwenden des disable Attributes wird nicht empfohlen.
+        </li>
+    <li>active<br>
+        Aktiviert das entsprechende Ger&auml;t, siehe inactive.
+        </li>
   </ul><br>
 
 
@@ -604,7 +644,7 @@ EOF
   <ul>
     <a name="disable"></a>
     <li>disable<br>
-        Deaktiviert das entsprechende Ger&aauml;t.<br>
+        Deaktiviert das entsprechende Ger&auml;t.<br>
         Hinweis: Wenn angewendet auf ein <a href="#at">at</a>, dann wird der
         Befehl nicht ausgef&uuml;hrt, jedoch die n&auml;chste
         Ausf&uuml;hrungszeit berechnet.</li><br>
diff --git a/fhem/FHEM/91_notify.pm b/fhem/FHEM/91_notify.pm
index a6488ee5c..e372a0b00 100755
--- a/fhem/FHEM/91_notify.pm
+++ b/fhem/FHEM/91_notify.pm
@@ -17,6 +17,7 @@ notify_Initialize($)
   $hash->{AttrFn}   = "notify_Attr";
   $hash->{AttrList} = "disable:0,1 disabledForIntervals forwardReturnValue:0,1 showtime:0,1 addStateEvent:0,1";
   $hash->{SetFn}    = "notify_Set";
+  $hash->{StateFn}  = "notify_State";
   $hash->{FW_detailFn} = "notify_fhemwebFn";
 }
 
@@ -125,7 +126,7 @@ notify_Set($@)
   my $me = $hash->{NAME};
 
   return "no set argument specified" if(int(@a) < 2);
-  my %sets = (addRegexpPart=>2, removeRegexpPart=>1);
+  my %sets = (addRegexpPart=>2, removeRegexpPart=>1, inactive=>0, active=>0);
   
   my $cmd = $a[1];
   return "Unknown argument $cmd, choose one of " # No dropdown in FHEMWEB
@@ -159,7 +160,26 @@ notify_Set($@)
     $hash->{DEF} = "$re ".$hash->{".COMMAND"};
     notifyRegexpChanged($hash, $re);
 
+  } elsif($cmd eq "inactive") {
+    readingsSingleUpdate($hash, "state", "inactive", 1);
+
   }
+  elsif($cmd eq "active") {
+    readingsSingleUpdate($hash, "state", "active", 1)
+        if(!AttrVal($me, "disable", undef));
+  }
+  
+  return undef;
+}
+
+#############
+sub
+notify_State($$$$)
+{
+  my ($hash, $tim, $vt, $val) = @_;
+
+  return undef if($vt ne "state" || $val ne "inactive");
+  readingsSingleUpdate($hash, "state", "inactive", 1);
   return undef;
 }
 
@@ -331,22 +351,24 @@ notify_fhemwebFn($$$$)
   <a name="notifyset"></a>
   <b>Set </b>
   <ul>
-    <li>addRegexpPart &lt;device&gt; &lt;regexp&gt;
-      <ul>
+    <li>addRegexpPart &lt;device&gt; &lt;regexp&gt;<br>
         add a regexp part, which is constructed as device:regexp.  The parts
         are separated by |.  Note: as the regexp parts are resorted, manually
-        constructed regexps may become invalid.
-      </ul>
-      </li>
-    <li>removeRegexpPart &lt;re&gt;
-      <ul>
+        constructed regexps may become invalid. </li>
+    <li>removeRegexpPart &lt;re&gt;<br>
         remove a regexp part.  Note: as the regexp parts are resorted, manually
         constructed regexps may become invalid.<br>
         The inconsistency in addRegexpPart/removeRegexPart arguments originates
-        from the reusage of javascript functions.
-      </ul>
-      </li>
-      <br>
+        from the reusage of javascript functions.</li>
+    <li>inactive<br>
+        Inactivates the current device. Note the slight difference to the
+        disable attribute: using set inactive the state is automatically saved
+        to the statefile on shutdown, there is no explicit save necesary.<br>
+        This command is intended to be used by scripts to temporarily
+        deactivate the notify.<br>
+        The concurrent setting of the disable attribute is not recommended.</li>
+    <li>active<br>
+        Activates the current device (see inactive).</li>
     </ul>
     <br>
 
@@ -520,19 +542,27 @@ notify_fhemwebFn($$$$)
   <a name="notifyset"></a>
   <b>Set </b>
   <ul>
-    <li>addRegexpPart &lt;device&gt; &lt;regexp&gt;
-      <ul>
+    <li>addRegexpPart &lt;device&gt; &lt;regexp&gt;<br>
         F&uuml;gt ein regexp Teil hinzu, der als device:regexp aufgebaut ist.
         Die Teile werden nach Regexp-Regeln mit | getrennt.  Achtung: durch
         hinzuf&uuml;gen k&ouml;nnen manuell erzeugte Regexps ung&uuml;ltig
-        werden.
-      </ul></li>
-    <li>removeRegexpPart &lt;re&gt;
-      <ul>
+        werden.</li>
+    <li>removeRegexpPart &lt;re&gt;<br>
         Entfernt ein regexp Teil.  Die Inkonsistenz von addRegexpPart /
         removeRegexPart-Argumenten hat seinen Ursprung in der Wiederverwendung
-        von Javascript-Funktionen.
-      </ul></li>
+        von Javascript-Funktionen.</li>
+    <li>inactive<br>
+        Deaktiviert das entsprechende Ger&auml;t. Beachte den leichten
+        semantischen Unterschied zum disable Attribut: "set inactive"
+        wird bei einem shutdown automatisch in fhem.state gespeichert, es ist
+        kein save notwendig.<br>
+        Der Einsatzzweck sind Skripte, um das notify tempor&auml;r zu
+        deaktivieren.<br>
+        Das gleichzeitige Verwenden des disable Attributes wird nicht empfohlen.
+        </li>
+    <li>active<br>
+        Aktiviert das entsprechende Ger&auml;t, siehe inactive.
+        </li>
     </ul>
     <br>
 
diff --git a/fhem/fhem.pl b/fhem/fhem.pl
index 290847cb0..d6e0866fc 100755
--- a/fhem/fhem.pl
+++ b/fhem/fhem.pl
@@ -695,6 +695,8 @@ IsDisabled($)
   return 0 if(!$devname || !defined($attr{$devname}));
 
   return 1 if($attr{$devname}{disable});
+  return 1 if($defs{$devname} && $defs{$devname}{STATE} &&
+              $defs{$devname}{STATE} eq "inactive");
 
   my $dfi = $attr{$devname}{disabledForIntervals};
   if(defined($dfi)) {