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公开(公告)号：WO2010028591A1
公开(公告)日：2010-03-18
申请号：PCT/CN2009/073821
申请日：2009-09-09
IPC: H04N5/76
CPC classification number: H04N5/782 , H04N21/4334 , H04N21/43615 , H04N21/47214
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公开(公告)号：WO2008037215A1
公开(公告)日：2008-04-03
申请号：PCT/CN2007/070768
申请日：2007-09-25
CPC classification number: H04N7/17318 , H04L65/1016 , H04L65/4076 , H04L69/08 , H04N21/4334 , H04N21/472 , H04N21/47202 , H04N21/6405 , H04N21/64322
Abstract: A system and method of supporting IMS terminals to share IPTV service, also to share VoD and LTV of the IPTV service. The system adds a service gateway which is used between the IMS network and IPTV. The gateway includes the function of controlling and load-carrying surface.
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公开(公告)号：WO2009065339A1
公开(公告)日：2009-05-28
申请号：PCT/CN2008/072922
申请日：2008-11-04
IPC: H04L29/06
CPC classification number: H04L65/1006 , H04L63/10 , H04L63/168
Abstract: A method and device for identifying and obtaining the authority information in the SDP protocol are provided. The method for identifying the authority information includes: identifying the authority attribute of the multicast service in the attribute portion of the attribute row, and identifying the authority information of the multicast service corresponding to the authority attribute in the attribute value portion of the attribute row. The method for obtaining the authority information includes: analyzing the session description protocol SDP message to obtain an attribute row or a group of attribute rows in the SDP message; and obtaining the authority information from the attribute row or the group of attribute rows.
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Patent Agency Ranking
公开(公告)号：WO2009074056A1
公开(公告)日：2009-06-18
申请号：PCT/CN2008/073170
申请日：2008-11-24
IPC: H04L29/06
CPC classification number: H04L65/1006 , H04L47/10
Abstract: A medium resource reservation method, and a service package information obtaining method and apparatus are provided, which are used to decrease resource waste of resource reservation. The resource reservation method includes the following steps: a service message which includes session description protocol SDP information is received, the SDP information includes a service package information; the service package information is parsed from the SDP information; the service package information is used to reserve resource. The method can identify the service package, so the service package processing efficiency can be improved, the resource waste of resource reservation can be decreased effectively.
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公开(公告)号：WO2009052753A1
公开(公告)日：2009-04-30
申请号：PCT/CN2008/072726
申请日：2008-10-16
IPC: H04L29/06
CPC classification number: H04L65/1016 , H04L65/4076 , H04N21/64322
Abstract: A method and device for obtaining the relationship between a channel and the corresponding media files from the SDP message, and sending / receiving the channel information in the SDP message are disclosed. The method includes: the receiver receives a message which includes the channel information from the sender;the channel information is described by the attribute line of the message; the receiver obtains the relationship between the channel and the corresponding media files base upon the received message. A method and device for sending / receiving the channel information in the SDP message are also disclosed. Advantages of the invention:realizing the description of the channel information, and also realizing the BC service channel in association with the corresponding media files of IMS-based IPTV system, by the way of extending the attribute line.
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公开(公告)号：WO2009024071A1
公开(公告)日：2009-02-26
申请号：PCT/CN2008/072015
申请日：2008-08-15
IPC: H04N7/173
CPC classification number: H04N7/1675 , H04N7/17318 , H04N21/26613 , H04N21/6125 , H04N21/63345
Abstract: An embodiment of the invention provides a system, method and device for realizing IPTV media content security protection, relating to communications field, aiming at realizing IPTV media content protection. Therein the system comprises: a user equipment (UE) , a service control function entity(SCF), an IMS core network(IMS Core), a media function entity(MF), and a key managing function entity(KMF), wherein the media function entity for providing a key for the user equipment; said service control function entity for providing service control of IPTV service; said media function entity for sending encrypted media content to the user equipment; said user equipment for receiving the media content from the media function entity, and using the key received to gain the decrypted media content. The embodiment of the invention is applied to IPTV.
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公开(公告)号：WO2008134955A1
公开(公告)日：2008-11-13
申请号：PCT/CN2008/070764
申请日：2008-04-22
IPC: H04L12/66
CPC classification number: H04L65/4076 , H04L65/1016 , H04N21/25825 , H04N21/25833 , H04N21/25858 , H04N21/2662 , H04N21/4436 , H04N21/6377 , H04N21/64322 , H04N21/658 , H04N21/6582
Abstract: A system, apparatus and method for applying terminal capability information in IPTV service. The system includes user devices, a Core IP Multimedia Subsystem Core IMS, a Device Profile Function DPF and an application server, wherein, the user devices are used to transmit terminal capability information and receive IPTV services; the Core IMS is used to transit the terminal capability information received from the user devices to DPF; DPF is used to transmit the terminal capability information to the application server; the application server is used to provide IPTV to the user devices according to the terminal capability information. The method includes that the terminal capability information is received from the user devices via the Core IMS; IPTV is provided to the user devices according to the acquired terminal capability information.
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