18237061. APPARATUS AND METHOD FOR SESSION INITIATED PROTOCOL (SIP) REGISTRATION PROCEDURE FOR ACCESS NETWORK BITRATE RECOMMENDATION (ANBR) CAPABILITY SIGNALING simplified abstract (APPLE INC.)

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APPARATUS AND METHOD FOR SESSION INITIATED PROTOCOL (SIP) REGISTRATION PROCEDURE FOR ACCESS NETWORK BITRATE RECOMMENDATION (ANBR) CAPABILITY SIGNALING

Organization Name

APPLE INC.

Inventor(s)

Ozgur Oyman of Palo Alto CA (US)

Jerome Parron of Fuerth (DE)

Thomas Luetzenkirchen of Taufkirchen (DE)

Sudhir Shankar Pola of Bangalore (IN)

Ralf Rossbach of Munich (DE)

APPARATUS AND METHOD FOR SESSION INITIATED PROTOCOL (SIP) REGISTRATION PROCEDURE FOR ACCESS NETWORK BITRATE RECOMMENDATION (ANBR) CAPABILITY SIGNALING - A simplified explanation of the abstract

This abstract first appeared for US patent application 18237061 titled 'APPARATUS AND METHOD FOR SESSION INITIATED PROTOCOL (SIP) REGISTRATION PROCEDURE FOR ACCESS NETWORK BITRATE RECOMMENDATION (ANBR) CAPABILITY SIGNALING

Simplified Explanation

The abstract of this patent application describes a method for signaling support for ANBR (Access Network Based Routing) during SIP (Session Initiation Protocol) registration. ANBR is a functionality that allows routing of SIP sessions based on the access network used by the user equipment (UE). The abstract mentions that the UE and the P-CSCF (Proxy-Call Session Control Function) exchange information about their support for ANBR using the "ANBR" attribute in the SDP (Session Description Protocol).

  • The UE indicates its support for ANBR in the REGISTER requests by including the "ANBR" attribute in the SDP.
  • The P-CSCF responds to the registration by indicating its support for the "ANBR" attribute in the SDP.
  • If the P-CSCF recognizes that the Public Land Mobile Network (PLMN) supports ANBR, it passes through the "ANBR" attribute in the SDP.
  • The UE can include the "ANBR" attribute in the SDP offer and answers when the P-CSCF indicates its support for the "ANBR" attribute in the SDP.

Potential Applications

  • This technology can be applied in telecommunications networks that use SIP for session initiation to enable ANBR functionality.
  • It can be used in networks where routing of SIP sessions based on the access network is desired.

Problems Solved

  • The technology solves the problem of signaling support for ANBR during SIP registration, allowing for efficient routing of SIP sessions based on the access network used by the UE.
  • It provides a standardized method for the UE and P-CSCF to exchange information about their support for ANBR.

Benefits

  • The technology enables more efficient routing of SIP sessions, improving the overall performance and quality of service in telecommunications networks.
  • It simplifies the process of signaling support for ANBR, making it easier to implement and manage in network infrastructure.


Original Abstract Submitted

In some embodiments, during the SIP registration, the UE indicates in the REGISTER requests its support for ANBR as defined by “ANBR” attribute in the SDP and the P-CSCF indicates its support for the “ANBR” attribute in the SDP in the response for registration. In some embodiments, the P-CSCF serving a PLMN passes through the “ANBR” attribute in the SDP when the P-CSCF recognizes that the PLMN supports ANBR functionality. In some embodiments, the UE can include “ANBR” attribute in the SDP offer and answers when the P-CSCF indicates its support for the “ANBR” attribute in the SDP.

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