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ISDN Protocol Administrator's and Developer's Guide ... - Intervoice

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Defining the National <strong>ISDN</strong>-2 SubroutinesDefining the National <strong>ISDN</strong>-2 Subroutines<strong>ISDN</strong>_NI2_REQUEST_XFERUse the isdntkit.lib <strong>ISDN</strong>_NI2_REQUEST_XFER subroutine to addNational <strong>ISDN</strong>-2 protocol functionality to an InVision application. It isshown below.However, most National <strong>ISDN</strong>-2 subroutines are not actively added toan InVision application. They are called automatically, <strong>and</strong> cannot beadded by the user.These internal subroutines include:• <strong>ISDN</strong>_NI2_GET_REDIRECT_NO• <strong>ISDN</strong>_NI2_GET_REDIRECT_NO_PRES_IND• <strong>ISDN</strong>_NI2_GET_REDIRECT_NO_REASON• <strong>ISDN</strong>_NI2_GET_REDIRECT_NO_SCR_INDUse the <strong>ISDN</strong>_NI2_REQUEST_XFER subroutine to request that the switchtransfer the call.A sample UserSubroutineCall form that calls<strong>ISDN</strong>_NI2_REQUEST_XFER is shown below:60001262, First Edition National <strong>ISDN</strong>-2 <strong>Protocol</strong> 12-7

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