| 摘要 |
This invention relates to a method, a computer program, a computer program product, devices, a system and a session description protocol for transferring data (101, 106) and information on associated data asset information, comprising the steps of providing (307) session description information (110) that at least partially contains said information on said data asset information, wherein said session description information (110) obeys a first protocol, transferring (309) said session description information (110) to a destination instance (301) based on a second protocol (107, 109, 102), and transferring (313) said data (101, 106) between a source instance (305) and said destination instance (301) within a transfer session and based on a third protocol (102). Said first, second (107, 109, 102) and third (102) protocols are preferably the Session Description, Real-time Streaming and Real-time Transport Protocol in a 3G Packet-Switched Streaming Services context. ® KIPO & WIPO 2007
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