multi service friendly name multi service model name http://192.168.1.2:80/ urn:schemas-yamaha-com:service:X_YamahaExtendedControl:1 /YamahaExtendedControl/v1/ 1131 urn:schemas-yamaha-com:service:X_YamahaRemoteControl:1 /YamahaRemoteControl/multi_ctrl /YamahaRemoteControl/multi_desc.xml