Managing early media for communication sessions establishing via the session initiation protocol (SIP)

In an embodiment, a communications device (200; 400) sends (700; 800A; 1000A; 1000B; 1000C; 1100A; 1100B) an invite to a communication session to multiple target devices (200; 400) and receives first (705; 810A; 1105 A; 1105B) and second (710; 800B; 1015A; 1015B; 1110A; 1110B) media streams from fir...

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Bibliographic Details
Main Author GINDE SAMIR V
Format Patent
LanguageChinese
English
Published 24.12.2014
Subjects
ELECTRIC COMMUNICATION TECHNIQUE
ELECTRICITY
TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHICCOMMUNICATION
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Summary:In an embodiment, a communications device (200; 400) sends (700; 800A; 1000A; 1000B; 1000C; 1100A; 1100B) an invite to a communication session to multiple target devices (200; 400) and receives first (705; 810A; 1105 A; 1105B) and second (710; 800B; 1015A; 1015B; 1110A; 1110B) media streams from first and second target devices prior to receiving a signaling indication that any of the multiple target devices accepts the invite. The communications device selects (710; 805B, 810B, 815B, 820B; 1010A, 1015A; 1010B, 1015B; 1010C, 1015C; 1115A; 1115B) between the first and second media streams based upon (i) information contained in a first packet of the first or second media streams and/or (ii) signaling information that indicates a forking context for the communication session. The communication device plays (720, 735; 825B; 1025A; 1025B; 1115A; 1115B) the selected media stream prior to receipt of the signaling indication. In another embodiment, after sending (900) the invite, the communications device detects (93
Bibliography:Application Number: CN201380014053