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

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

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Defining the SubroutinesDefining the SubroutinesTable 5-2 lists the QSIG subroutines alphabetically <strong>and</strong> includes a briefdescription of each. More detailed descriptions of all the subroutinesbegin on page 5-14.Table 5-2. QSIG ToolkitsSubroutine Transfer Type Description Reference<strong>ISDN</strong>_QSIG_HOLDPathReplacementTransferSends a message to place aninbound caller on hold.page 5-14<strong>ISDN</strong>_QSIG_HOLD_RETURNPathReplacementTransferSends a message to retrieve acaller who was previouslyplaced on hold with<strong>ISDN</strong>_QSIG_HOLD.page 5-15<strong>ISDN</strong>_QSIG_STARTXFERPathReplacementTransferSends a multiple Facilitymessage to the switch toperform a Path ReplacementTransfer.page 5-16<strong>ISDN</strong>_QSIG_SINGLE_STEP_XFERSingle StepTransferSends a Single Step TransferInvoke (which contains thenumber where the call shouldbe transferred) to the switch.page 5-1860001262, First Edition QSIG <strong>Protocol</strong> 5-11

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