Matches in DBpedia 2015-10 for { ?s ?p "The Session Initiation Protocol (SIP) is the signaling protocol selected by the 3rd Generation Partnership Project (3GPP) to create and control multimedia sessions with two or more participants in the IP Multimedia Subsystem (IMS), and therefore is a key element in the IMS framework.SIP was developed by the Internet Engineering Task Force (IETF) to become a standard for controlling multimedia sessions in Internet Protocol (IP) networks, working in the application layer. Several SIP extensions have been added to the basic protocol specification in order to extend its functionality. These extensions are based on Request for Comments (RFC) protocol recommendations by the IETF.The 3GPP, which is a collaboration between groups of telecommunications associations aimed at developing and maintaining the IMS, stated a series of requirements for SIP to be successfully used in the IMS. Some of them could be addressed by using existing capabilities and extensions in SIP while, in other cases, the 3GPP had to collaborate with the IETF to standardize new SIP extensions to meet the new requirements. In any case, the IETF evolves SIP in a generic basis, so that the use of its extensions is not restricted to the IMS framework."@en }
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- Extensions_to_the_SIP_for_the_IP_multimedia_subsystem abstract "The Session Initiation Protocol (SIP) is the signaling protocol selected by the 3rd Generation Partnership Project (3GPP) to create and control multimedia sessions with two or more participants in the IP Multimedia Subsystem (IMS), and therefore is a key element in the IMS framework.SIP was developed by the Internet Engineering Task Force (IETF) to become a standard for controlling multimedia sessions in Internet Protocol (IP) networks, working in the application layer. Several SIP extensions have been added to the basic protocol specification in order to extend its functionality. These extensions are based on Request for Comments (RFC) protocol recommendations by the IETF.The 3GPP, which is a collaboration between groups of telecommunications associations aimed at developing and maintaining the IMS, stated a series of requirements for SIP to be successfully used in the IMS. Some of them could be addressed by using existing capabilities and extensions in SIP while, in other cases, the 3GPP had to collaborate with the IETF to standardize new SIP extensions to meet the new requirements. In any case, the IETF evolves SIP in a generic basis, so that the use of its extensions is not restricted to the IMS framework.".