Patent ID: 9231994
Filing Date: 2016-01-05
CPC Classification: H04L

Claim Text:
1. A method comprising: sending a first session invitation protocol (SIP) message from a first device to a second device, wherein a first header field of the first SIP message includes a first indicator indicating a request for a media stream and a source of the requested media stream, wherein the first SIP message comprises a contact header and wherein the contact header comprises a parameter that indicates the requested media is to be streamed to the first device; receiving a second SIP message from the second device at the first device, wherein a second header field of the second SIP message includes a second indicator indicating acceptance of the request for the media stream; sending a third SIP message from the first device to the second device, wherein a third header field of the third SIP message includes a third indicator indicating that the second device initiate streaming of the requested media stream; and receiving the requested media stream from the second device at the first device.