infotelefon tähendus null.

hotline [hotlines]▼◼◼◼noun
[UK: ˈhɒt.laɪn] [US: ˈhɑːˌt.laɪn]

helpline [helplines]▼◼◼◼noun
[UK: ˈhel.plaɪn] [US: ˈhel.plaɪn]