Synopsis:

       chan_state=SMstate(vox_chan)

Arguments:

       vox_chan – The voice channel

Description:  This function returns the blocking speech function type currently running on the specified vox_chan or 0 if the channel is idle.       If the channel is currently running a blocking speech function then the chan_state returned by the function will be one of the following as defined in the ACULAB.INC file:

const MTF_PLAY                        = 1;

const MTF_RECORD                     = 2;

const MTF_WAITTONE            = 3;

const MTF_PLAYTONE            = 4;

const MTF_PLAYDIGITS          = 5;

const MTF_PLAYCPTONE          = 6;

const MTF_WAITRECOG          = 7;

const MTF_PLAYIPF                     = 8;  

This function can be used to determine whether a speech function has completed on a channel and is used in particular in non-blocking mode (see SMmode()).

Returns:   Returns the channel state or -1 if a bad channel was specified