1.3 Routing Functions

The following functions are used for SCbus or CT Bus routing:

ec_getxmitslot( )

• Returns the transmit time slot of a CSP-capable channel.

ec_listen( )

• Changes the echo-reference signal from the default reference (that is, the same channel as the play) to the specified time slot on the TDM bus.

ec_unlisten( )

• Changes the echo-reference signal set by ec_listen( ) back to the default reference (that is, the same channel as the play).

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