We should correct Voice Commands Thread (//%22http://www.efupw.com/forums/showpost.php?p=344941&postcount=3%22) as it shows the following:
QuoteYou can use the following commands to place your associates into stealth and detect modes.
Familiars
/c stealth f
/c detect f
Animal Companions
/c stealth a
/c detect a
Henchmen
/c stealth h
/c detect h
Actually, at least for Familiars and Animals Companions, I have been using astealth and adetect.