Patent ID: 9054891
Filing Date: 2015-06-09
Classification: H04L

Abstract:
1. A system for redirecting a session initiation protocol (SIP) based call stream to at least one universal plug and play (UPnP) device in a local network, the system comprising: a SIP user agent, operable to engage in a SIP-based video session with a SIP terminal located outside of the local network; a UPnP media server, operable to create a UPnP Content Directory object that represents a call stream of the SIP-based video session, wherein the UPnP Content Directory object comprises a uniform resource locator (URL) of the call stream and the call stream is an incoming call stream, and operable to create a second UPnP Content Directory object that represents an outgoing call stream of the SIP-based video session, wherein the second UPnP Content Directory object comprises a second URL associated with the outgoing call stream; and a UPnP control point, operable to access the UPnP Content Directory object, obtain the URL, and use the URL to configure a media renderer within the local network to receive video packets from the SIP terminal and operable to access the second UPnP Content Directory object, obtain the second URL, and use the second URL to configure a video source within the local network to send video packets to the SIP terminal.