Microsoft Technology Licensing, LLC

Microsoft Corporation

Jinyan Su

Vadim Eydelman

Sankaran Narayanan

Jeremy Thomas Buch

Alexandru Gavrilescu

Mark Markaryan

A virtual circular conferencing experience using unified communication technology is described. An apparatus may comprise a communications module operative to receive a plurality of incoming video streams from corresponding client devices for a conference call, a multimedia controller operative to retrieve video information of participants from each of the incoming video streams and generate a seamless virtual circular video stream from the video information comprising a virtual circular image having a composite of participants in a virtual room, and a communications module operative to broadcast the seamless virtual circular video stream to the client devices. Other embodiments are described and claimed.

Virtual circular conferencing experience using unified communication technology

A system for conveniently extending the capabilities of network systems to support telephony is presented. Also, a method and system for preventing message looping within network devices that support telephony is presented. A network system, such as a proxy server, executes one or more executable service modules having instructions for performing a specific telephony service. A dispatcher operating upon the network device dispatches messages to the service modules according to a set of resource data provided by the service modules. To prevent message looping, the dispatcher executes logical instructions that restrict the service modules from routing messages to each other indefinitely.

System for processing messages to support network telephony services

A method, computer readable medium having computer executable instructions, and a computer readable medium having stored thereon a data structure for signing and validating Session Initiation Protocol ('SIP') routing headers are disclosed. A SIP node may receive a SIP request including a message header. A signature based upon at least a portion of the message header and a SIP node header entry may be generated. The signature may then be inserted into the SIP node header entry.

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Sammamish, WA, United States of America

Jinyan Su