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

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<strong>ISDN</strong>_QSIG_SINGLE_STEP_XFERThe <strong>ISDN</strong>_QSIG_SINGLE_STEP_XFER subroutine sends a Facilitymessage to the switch to perform a single step transfer.A sample UserSubroutineCall form that calls<strong>ISDN</strong>_QSIG_SINGLE_STEP_XFER is shown below:Parameters:See Table 5-6.Table 5-6. <strong>ISDN</strong>_QSIG_SINGLE_STEP_XFER ParametersName Required? Type DescriptionTransferNumberYes String Telephone number to which the call is transferredMode Yes Integer The type of call transfer:• 1 – Number is in the Ringing or Alerting states• 2 – Number is in the Answered stateTime Out Yes Integer The maximum time to wait for a switch to complete a transfer orsend an error back that it cannot complete the transfer.* The default is 30 seconds.ANI Optional String The optional ANI for a single-step transfer.5-18 <strong>ISDN</strong> <strong>Protocol</strong> Administrator’s <strong>and</strong> Developer’s <strong>Guide</strong> 60001262, First Edition

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