2.2. Compatibility

This section describes compatibility of the Digital Network software with Dialogic hardware and existing applications based on the Digital Network driver.

Some functions in the Digital Network Interface library of C functions may operate differently or not at all on a given Digital Network Interface board type due to differences in the board's usage. This section explains these differences in functionality.

• dt_dial( ) is supported by the D/240SC-T1, D/240SC-2T1, D/300SC-E1, D/300SC-2E1, D/480SC-2T1, and D/600SC-2E1 boards.

  NOTE:

  To perform dialing you can instead use a Voice library function supported by your D/xxx voice boards. The function name is dx_dial( ).

• dt_open( ) opens time slots from 1 to 24 in T-1 applications (D/240SC-T1 boards) or 1 to 30 in E-1 applications (D/300SC-E1 boards).
• dt_getctinfo( ) is used to return device information for an on-board digital network interface device time slot.
• dt_getxmitslot( ) returns the SCbus time slot number connected to the transmit of a digital network time slot.
• dt_listen( ) is used to connect the receive of a digital network time slot to an SCbus time slot.
• dt_unlisten( ) is used to disconnect the receive of a digital network interface device time slot from the SCbus.
• dt_setalrm( ) DTA_DROP parameter is not supported by E-1 compatible Digital Network Interface board devices. For these devices, use only DTA_NONE or DTA_TERM.
• dt_setevtmsk( ) and dt_getevtmsk( ) functions include the DTG_PDIGEVT parameter and also include additional parameters and masks for E-1 alarm handling (D/300SC-E1 only) and for T-1 alarm handling (D240/SC-T1 only). See the function descriptions in Chapter 5. Function Reference for more information.
• dt_setsigmod( ) transparent signaling mode is not supported in SCbus configurations.
• dt_xmitalrm( ) function uses additional parameters for E-1 alarm transmission (D/300SC-E1 only).

The library also supports the MSI/SC and DCB/SC boards. Refer to the references listed in Appendix D of this guide for more information about functions supported on these boards.

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