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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 DPNSS 1 SubroutinesLayer 3 State InformationThe Layer 3 portion of DPNSS 1 is the top layer for this messagingprotocol. The Layer 3 state determines at what point the call exists, asshown in Table 6-31.Table 6-31. Layer 3 State InformationIntegerState0 NULLSTATE1 CALL_INIT2 OVERLAP_SENDING3 OUTGOING_CALL_PROC4 CALL_DELIVERED5 CALL_RECEIVED6 CONNECT_REQUEST7 INCOMING_CALL_PROC8 ACTIVE9 DISCONNECT_REQUEST10 DISCONNECT_INDICAT11 RELEASE_REQUEST12 OVERLAP_RECEIVING13 RESTART_REQUEST14 HOLD_REQUESTED15 PRIMARY_ON_HOLD16 SNU_TIMER_DISABLED17 UNKNOWN STATEThe following toolkit calls are available for obtaining Layer 3 Stateinformation in an InVision application:• <strong>ISDN</strong>_DPNS_GET_L3STATE_TXT (see page 6-62)• <strong>ISDN</strong>_DPNS_GET_L3_STATE (see page 6-64)60001262, First Edition DPNSS 1 <strong>Protocol</strong> 6-61

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