otseliin tähendus null.

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

hot line [hot lines]▼◼◼◻noun
[UK: hɒt laɪn] [US: hɑːt ˈlaɪn]