diff --git a/lib/NGCP/Panel/Controller/Domain.pm b/lib/NGCP/Panel/Controller/Domain.pm
index aaca01297e..b6102c8fc8 100644
--- a/lib/NGCP/Panel/Controller/Domain.pm
+++ b/lib/NGCP/Panel/Controller/Domain.pm
@@ -243,6 +243,28 @@ sub preferences_edit :Chained('preferences_detail') :PathPart('edit') :Args(0) {
             return;
          }
     }
+    
+    my $delete_param = $c->request->params->{delete};
+    my $deactivate_param = $c->request->params->{deactivate};
+    my $activate_param = $c->request->params->{activate};
+    my $param_id = $delete_param || $deactivate_param || $activate_param;
+    # only one parameter is processed at a time (?)
+    if($param_id) {
+        my $rs = $c->model('provisioning')
+            ->resultset('voip_dom_preferences')
+            ->find($param_id);
+        if($rs->attribute_id != $c->stash->{preference_meta}->id) {
+            # Invalid param (dom_pref does not belong to current pref)
+        } elsif($delete_param) {
+            $rs->delete();
+        } elsif ($deactivate_param) {
+            $rs->update({value => "#".$rs->value});
+        } elsif ($activate_param) {
+            my $new_value = $rs->value;
+            $new_value =~ s/^#//;
+            $rs->update({value => $new_value});
+        }
+    }
 
     $c->stash(form => $form);
 }
diff --git a/share/templates/helpers/pref_table.tt b/share/templates/helpers/pref_table.tt
index 7abc6af99f..3343228340 100644
--- a/share/templates/helpers/pref_table.tt
+++ b/share/templates/helpers/pref_table.tt
@@ -74,7 +74,12 @@
     [% IF helper.preference_meta.max_occur != 1 %]
         [% FOREACH v IN helper.preference.all %]
             <input type="text" value="[% v.value %]" disabled="disabled"></input>
-            <a href="?delete=[% v.id %]">Delete</a>
+            <a href="?delete=[% v.id %]"><i class="icon-trash"></i></a>
+            [% IF v.value.substr(0,1) == '#' %]
+                <a href="?activate=[% v.id %]"><i class="icon-ok"></i></a>
+            [% ELSE %]
+                <a href="?deactivate=[% v.id %]"><i class="icon-ban-circle"></i></a>
+            [% END %]
             <br />
         [% END %]
     [% END %]