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SIP to CAPv2 mapping

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  • #69923
    Alma Glez

    Hi all:
    I’d like to know how does the IDP ( specially bearer capabilites) is built in capv2 from a SIP invite message.

    Is there any standar about mapping codecs?


    Wallis Dudhnath

    Hi Alma,

    3GPP IM-SSF will be required to interwork CAMEL services with a 3GPP IMS Network.

    Flow will be:-

    S-CSCF —- IM-SSF —- gsmSCF (CAMEL node)

    IM-SSF which also acts like gsmSSF needs to interact with gsmSCF for the processing of CAMEL related calls. This interface used by IM-SSF to send the request for instructions to the gsmSCF. Via this interface gsmSCF controls the IM session in a certain
    IM-SSF. This interface is based on CAP – CAMEL Application Part (e.g. CAP V2).

    IM-SSF will have a “parser” component that can take SIP messages and parameters and map
    to the ISC interface (IM-SSF – gsmSCF).

    VBR/ Wallis Dudhnath


    3GPP 23.218 IP Multimedia Subsystem (IMS)

    3GPP 23.228 IMS Session Handling

Viewing 2 posts - 1 through 2 (of 2 total)
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