diff --git a/src/calls-dbus-manager.c b/src/calls-dbus-manager.c
index ce8cf2e..1c7e0df 100644
--- a/src/calls-dbus-manager.c
+++ b/src/calls-dbus-manager.c
@@ -149,6 +149,7 @@ call_added_cb (CallsDBusManager *self, CallsCall *call)
   g_object_bind_property (call, "inbound", iface, "inbound", G_BINDING_SYNC_CREATE);
   g_object_bind_property (call, "number", iface, "id", G_BINDING_SYNC_CREATE);
   g_object_bind_property (call, "protocol", iface, "protocol", G_BINDING_SYNC_CREATE);
+  g_object_set (iface, "can-dtmf", calls_call_can_dtmf (call), NULL);
   /* TODO: once calls supports encryption */
   calls_dbus_calls_call_set_encrypted (iface, FALSE);