diff --git a/TelepathyQt/abstract-interface.cpp b/TelepathyQt/abstract-interface.cpp
index bdaf677..0728d96 100644
--- a/TelepathyQt/abstract-interface.cpp
+++ b/TelepathyQt/abstract-interface.cpp
@@ -43,6 +43,7 @@ struct TP_QT_NO_EXPORT AbstractInterface::Private
 {
     QString mError;
     QString mMessage;
+    bool monitorProperties;
 };
 
 /**
@@ -60,6 +61,7 @@ AbstractInterface::AbstractInterface(const QString &busName,
     : QDBusAbstractInterface(busName, path, interface.latin1(), dbusConnection, parent),
       mPriv(new Private)
 {
+    mPriv->monitorProperties = false;
 }
 
 AbstractInterface::AbstractInterface(DBusProxy *parent, const QLatin1String &interface)
@@ -133,4 +135,28 @@ PendingVariantMap *AbstractInterface::internalRequestAllProperties() const
     return new PendingVariantMap(pendingCall, DBusProxyPtr(proxy));
 }
 
+void AbstractInterface::setMonitorProperties(bool monitorProperties)
+{
+    if (monitorProperties == mPriv->monitorProperties) {
+        return;
+    }
+
+    if (monitorProperties) {
+        connection().connect(service(), path(), TP_QT_IFACE_PROPERTIES,
+                QLatin1String("PropertiesChanged"), this,
+                SLOT(onPropertiesChanged(QString,QVariantMap,QStringList)));
+    } else {
+        connection().disconnect(service(), path(), TP_QT_IFACE_PROPERTIES,
+                QLatin1String("PropertiesChanged"), this,
+                SLOT(onPropertiesChanged(QString,QVariantMap,QStringList)));
+    }
+}
+
+void AbstractInterface::onPropertiesChanged(const QString &interface,
+            const QMap<QString,QVariant> &changedProperties,
+            const QStringList &invalidatedProperties)
+{
+    Q_EMIT propertiesChanged(changedProperties, invalidatedProperties);
+}
+
 } // Tp
diff --git a/TelepathyQt/abstract-interface.h b/TelepathyQt/abstract-interface.h
index 53205e0..d9ef9f3 100644
--- a/TelepathyQt/abstract-interface.h
+++ b/TelepathyQt/abstract-interface.h
@@ -51,6 +51,8 @@ public:
     QString invalidationReason() const;
     QString invalidationMessage() const;
 
+    void setMonitorProperties(bool monitorProperties);
+
 protected Q_SLOTS:
     virtual void invalidate(Tp::DBusProxy *proxy,
             const QString &error, const QString &message);
@@ -65,6 +67,15 @@ protected:
     PendingOperation *internalSetProperty(const QString &name, const QVariant &newValue);
     PendingVariantMap *internalRequestAllProperties() const;
 
+private Q_SLOTS:
+    void onPropertiesChanged(const QString &interface,
+            const QMap<QString,QVariant> &changedProperties,
+            const QStringList &invalidatedProperties);
+
+Q_SIGNALS:
+    void propertiesChanged(const QMap<QString,QVariant> &changedProperties,
+            const QStringList &invalidatedProperties);
+
 private:
     struct Private;
     friend struct Private;