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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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Call TransferCall transfer is the process of taking two calls, an inbound call <strong>and</strong> anoutbound call, <strong>and</strong> returning them to the PBX to be connected. The PBXthen reviews the routes taken by each of the two calls <strong>and</strong> optimizes thepaths so the least number of steps are used through the system.The following toolkit calls are available for call transfer in an InVisionapplication:• <strong>ISDN</strong>_DPNS_CONNECT_LINES (see page 6-51)• <strong>ISDN</strong>_DPNS_INIT_XFER_REQUEST (see page 6-53)6-50 <strong>ISDN</strong> <strong>Protocol</strong> Administrator’s <strong>and</strong> Developer’s <strong>Guide</strong> 60001262, First Edition

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