public function addSpeaker(Speaker $speaker)
{
if ($speaker->getUuid() === $this->getUuid()) {
return $this;
}
$speaker->soap("AVTransport", "SetAVTransportURI", ["CurrentURI" => "x-rincon:" . $this->getUuid(), "CurrentURIMetaData" => ""]);
$this->network->clearTopology();
return $this;
}