2.2. Individual SCbus Routing Functions

The individual SCbus routing functions provide the ability to program each phase of connecting or disconnecting the receive channel of a device to the transmit channel of another device or to build your own convenience functions. These individual SCbus routing functions can be characterized by their prefix and by their suffix. The prefix of the individual SCbus routing functions identify the device to which the function applies:

ag_	analog device (loop-start interface)
dl_	voice device (MS-DOS)
dx_	voice device (Linux, OS/2, Windows)
dt_	digital device (T-1 or E-1 digital service interface)
fx_	fax device
ms_	MSI device

The suffix of the individual SCbus routing functions identify the operation or task performed by the function:

_getctinfo( )	returns information about the device (analog device, voice device, digital device, or other technology device); this function is not used for routing SCbus time slots.
_getxmitslot( )	returns SCbus time slot information into an SC_TSINFO structure that includes the number of the SCbus time slot connected to the transmit channel of the specified device
_listen( )	connects the listen (receive) channel of the specified device to an SCbus time slot
_unlisten( )	disconnects the listen (receive) channel of the specified device from an SCbus time slot

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