Method and System for Transmitting a Multimedia Stream
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Accused Products
Abstract
A method is described for transmitting a multimedia stream from a first end-terminal to a second end-terminal. The first and second end-terminal are connected to at least one gateway for enabling the multimedia stream to be transmitted from the first end-terminal to the second end-terminal. The method comprising the steps of: the first end-terminal inviting the gateway to set up a first multimedia session between the first end-terminal and the gateway, the first multimedia session being controlled by a first protocol; the gateway notifying—in response to the invitation—the second end-terminal of the pending invitation; the second end-terminal setting up—in response to the notification—a second multimedia session between the second end-terminal and the gateway, the second multimedia session being controlled by a second protocol; the gateway setting up—in response to the invitation—the first multimedia session; and transmitting a multimedia stream from the first end-terminal to the second end-terminal. The first protocol may be SIP, the second protocol may be RTSP.
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Citations
37 Claims
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1-16. -16. (canceled)
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17. A method, wherein a gateway is capable of communicating with a first terminal and a second terminal, the method comprising:
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the gateway using a first protocol to exchange a first media session information between the first terminal and the gateway, wherein the exchange of the first media session information sets up a first media stream in which the first terminal participates; the second terminal using a second protocol to receive a trigger, wherein the trigger is to initiate an exchange of a second media session information between the gateway and the second terminal; in response to receiving the trigger, the second terminal using a third protocol to initiate the exchange of the second media session information between the gateway and the second terminal, wherein the exchange of the second media session information sets up a second media stream in which the second terminal participates; and the second terminal receiving the second media stream, wherein the second media stream is associated with the first media stream. - View Dependent Claims (18, 19, 20, 21, 22, 23, 24, 25, 26, 27, 28, 29, 30, 31)
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32. A method for a receiving terminal to receive a media stream, the method comprising:
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the receiving terminal using a first protocol to receive a trigger, wherein the trigger is to initiate an exchange of media session information between the receiving terminal and a correspondent device; in response to receiving the trigger, the receiving terminal using a second protocol to initiate the exchange of the media session information between the receiving terminal and a correspondent device; and after completion of the exchange of the media session information, the receiving terminal receiving a media stream, wherein the media stream was specified in the media session information. - View Dependent Claims (33, 34, 35, 36)
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37. An article of manufacture including a non-transitory computer-readable medium, having stored thereon software instructions that, if executed by a computing device, cause the computing device to perform operations comprising:
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using a first protocol to initiate an exchange of a first media session information between a first terminal and a gateway, wherein the exchange of the first media session information sets up a first media stream in which the first terminal participates; using a second protocol to provide a trigger to a second terminal, wherein the trigger is to initiate an exchange of a second media session information between the gateway and the second terminal; using the second protocol to conduct the exchange of the second media session information between the gateway and the second terminal, wherein the exchange of the second media session information sets up a second media stream in which the second terminal participates; and using the first protocol to transmit a response to the first terminal, wherein the response causes the first terminal to begin transmission of the first media stream.
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Specification