Possible Clues:

• One knows how to get dismissed, by the sound of it
• Track; aroma
• Counsel needs ten more to put an end to 17 across
• A this is on the up and up, as22 across will tell you
• Perfume for the tracker
• Track of a sort
• Smell of money, say
• Sounds as if one knows how to get dismissed
• Air-freshener output
• Potpourri feature