detected a ratio of the near end signal level to the echo level that caused poor quality of the audio being sent. xs:short Yes Number of during Not the call that the applicable reporting endpoint detected multiple endpoints in the same room or acoustic environment. v2:DeviceHowlingEventCount<287> xs:short Yes Number of times during Not the call that the applicable reporting endpoint detected two or more endpoints (5) in the same room or acoustic environment that caused poor quality audio in the form of howling or screeching audio. v2:Separator<288> default Yes Separator element used Not for future schema applicable extensions. xs:float Yes Fraction of the call that Fraction device render volume is set to 0. xs:float Yes Fraction of the call that Fraction device render is muted. v3:Separator3<291> default Yes Separator element used Not for future schema applicable extensions. application/ms-cqf+xml The XML schema in this section uses the namespace: ms-cqf CallQualityFeedbackReport Element A CallQualityFeedbackReport element is a quality feedback report envelope and contains information regarding the SIP dialog. The type of this element is CallQualityFeedbackReportType. The CallQualityFeedbackReport element is defined as follows<292>: <xs:element name ="CallQualityFeedbackReport" type="mstns:CallQualityFeedbackReportType"/> <xs:complexType name ="CallQualityFeedbackReportType"> <xs:sequence> <xs:element name="ReportingUserURI" type="xs:anyURI" minOccurs="1" maxOccurs="1"/>
detected a ratio of the near end signal level to the echo level that caused poor quality of the audio being sent. xs:short Yes Number of during the call that the reporting endpoint detected multiple endpoints in the same room or acoustic environment. Not applicable v2:DeviceHowlingEventCount<287> xs:short Yes Number of times during the call that the reporting endpoint detected two or more endpoints (5) in the same room or acoustic environment that caused poor quality audio in the form of howling or screeching audio. Not applicable v2:Separator<288> default Yes Separator element used for future schema extensions. Not applicable xs:float Yes Fraction of the call that device render volume is set to 0. Fraction xs:float Yes Fraction of the call that device render is muted. Fraction v3:Separator3<291> default Yes Separator element used for future schema extensions. Not applicable application/ms-cqf+xml The XML schema in this section uses the namespace: ms-cqf CallQualityFeedbackReport Element A CallQualityFeedbackReport element is a quality feedback report envelope and contains information regarding the SIP dialog. The type of this element is CallQualityFeedbackReportType. The CallQualityFeedbackReport element is defined as follows<292>: <xs:element name ="CallQualityFeedbackReport" type="mstns:CallQualityFeedbackReportType"/> <xs:complexType name ="CallQualityFeedbackReportType"> <xs:sequence> <xs:element name="ReportingUserURI" type="xs:anyURI" minOccurs="1" maxOccurs="1"/>