Microsoft Technology Licensing, LLC

Jisun Park

Yiu-Ming Leung

Vincent Allio

Jay Herbison

Haoran Zheng

Xu Bin Liu

Danny Levin

BoRu Yan

Performance of endpoints, client devices and servers within a communication system, is determined by collecting call quality data from each endpoint by a quality monitoring server/application. Call quality data includes predefined metrics based on network and end device characteristics during each call. Calls include voice, video, and data exchanges. Collected metric values are then aggregated according to a formula for consistency and scaled based on factors such as traffic volume. Resulting performance values are used to order the endpoints such that those with degraded quality and prioritized based on factors like traffic volume can be attended to first.

Estimating endpoint performance in unified communication systems

User quality of experience in a real time communication system is determined by analyzing endpoint performance metric reports correlated with performance factors of each endpoint in an endpoint profile for a more complete view of an audio/video quality of experience. Reports may include endpoint profile reports, which may be sent once at the beginning and then again only if an endpoint attribute changes; session reports, which include measured metric information and are sent at the conclusion of each session; and session interval reports, which also include metric information, but are sent during the session based on a period or a predefined threshold.

Endpoint report aggregation in unified communication systems

Performance of endpoints, client devices and servers within a communication system, is monitored by collecting call quality data from each endpoint. The collected metric data is retrieved periodically from a database, categorized based on endpoint location and metric type, and compared to predefined thresholds for different endpoint types, metric categories, and call configurations. If an alert condition is met indicating a problem with quality of experience in the system, an alert is issued to an administrator.

Determining quality monitoring alerts in unified communication systems

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Jisun Park