The method according to claim 1, wherein said SIP message is a standalone message. Other for any supplementary information:. ITU-T work programme According to a second aspect of the present invention there is provided a Session Initiation Protocol Application Server of an IP Multimedia Subsystem having processing means for implementing a call forwarding operation by modifying a received message to include a forwarding indicator and a R-URI identifying the USER Equipment to which the call is to be forwarded. Clear description of the referenced document:.
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Tataxe The degree of stability or maturity of the document:. Feedback Contact Us Accessibility. Relationship with other existing or emerging documents: Current information, if any, about IPR issues: The invention is applicable in particular to Session Initiation Protocol initial request messages, e. Other for any supplementary information:. Other for any supplementary information: The method according 3tpp claim 1, wherein said SIP message is a standalone message.
However, this is unlikely to be accepted by operators who will prefer to leave the P-Asserted Identity unchanged from end-to-end. Clear description of the referenced document: Said step of processing preferably comprises determining whether any restrictions are placed on the user equipment identified by the original R-URI, and identifying IFCs for this user equipment and carrying out further processing steps as defined by the IFCs.
Referring again to Fs Committed to connecting the world. The method according to claim 1, wherein said step of processing the SIP message according to the originating procedure comprises determining whether any restrictions are placed on the second user equipment identified by the original R-URI, and identifying initial filter criteria IFCs for the second user equipment and carrying out further processing steps as defined by the IFCs. Four alternative solutions are proposed here.
In the scenario illustrated in FIG. According to a fourth aspect of the invention ts The invention claimed is: Relationship 3pp other existing or emerging documents:.
Other solutions to this problem must therefore be sought. Current information, if any, about IPR issues:. The degree of stability or maturity of the document: By growing the number of basic applications and the media which it is possible to combine, the number of services offered to the end users will grow, and the inter-personal communication experience will be enriched. Whilst SIP was created as a user-to-user protocol, IMS allows operators and service providers to control user access to services and to charge users accordingly.
It is possible for the AS logic to require the setting up of a gs According to a fifth aspect of the invention there is provided a method of handling a Session Initiation Protocol communication within an IP Multimedia Subsystem, ts The method according to claim 7, wherein said forwarding indicator is added to a route header of the SIP message. The above document cannot be formally referenced until it is published as an RFC. Any explicit references within that referenced document should also be listed: Clear description of the referenced document:.
Search Expert Search Quick Search. This problem arises with messages other than INVITE, including, for example, other initial request messages and standalone messages. Justification for the specific reference:. Qualifying information is on file at TSB. TOP Related.
3GPP TS24.229 PDF
3GPP Specification series