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establish temporary connection call trac

This topic contains 2 replies, has 0 voices, and was last updated by  Wallis Dudhnath 7 months, 1 week ago.

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  • #67700 Reply

    sunny

    hi need the live trace of any network with estalish temporary connection in camel can some one share if they have

    #67701 Reply

    Wallis Dudhnath

    Hi Ladies and Gents.,

    For EstablishTemporaryConnection (ETC) the following CAMEL functions are used:-

    -gsmSCF,
    -gsmSSF, and
    -gsmsRF/IP, or using announcement resources with the assisting gsmSSF

    The above can be from different Telecommunication vendors.

    Using your nodes you should be able to obtain a trace and focus on the following parameters:-

    – assistingSSPIPRoutingAddress

    This parameter indicates the destination address of the gsmSRF or assisting gsmSSF for assist procedure. The “assistingSSPIPRoutingAddress” may contain embedded within it, a “correlationID” and “scfID”, but only if “correlationID” and “scfID” are not specified separately.

    – correlationID:

    This parameter is used by the gsmSCF to associate the dialogue created from the assisting SSF (or the gsmSRF)
    to the gsmSCF with the InitialDP from the gsmSSF. The “correlationID” is used only if the correlation ID is not
    embedded in the “assistingSSPIPRoutingAddress”. The network operators have to decide about the actual
    mapping of this parameter on the signalling system.

    – scfID:

    This parameter indicates the gsmSCF identifier and enables the assisting SSF to identify which gsmSCF the
    AssistRequestInstructions should be sent to. The “scfID” is used only if the SCF ID is not embedded in the
    “assistingSSPIPRoutingAddress”. The network operators have to decide about the actual mapping of this
    parameter on the signalling system.

    – serviceInteractionIndicatorsTwo:

    This parameter contains an indicator sent from the gsmSCF to the gsmSSF for control of the through connection.

    VBR/ Wallis Dudhnath

    #67702 Reply

    Wallis Dudhnath

    Good reference for CAMEL Phase 2:-

    Digital cellular telecommunications system (Phase 2+);
    Customised Applications for Mobile network Enhanced Logic
    (CAMEL);
    CAMEL Application Part (CAP) specification
    (GSM 09.78 version 6.3.0 Release 1997)

    Can be obtained via google or the 3GPP URL.

    VBR/ Wallis Dudhnath

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