<translate> This is known as passive voice biometric use where a callers voice is used to verify their identity. Companies and call centers using this technology only require 20 seconds of casual conversation voice to authenticate. <swh>Hii inajulikana kama matumizi tulivu ya bayometriki ya sauti ambapo sauti ya mpigaji hutumika kuthibitisha utambulisho wake. Makampuni na vituo vya kupiga simu vinavyotumia teknolojia hii vinahitaji sekunde 20 pekee za sauti ya mazungumzo ya kawaida ili kuthibitisha. 