A phone hotline is a telephone service that provides assistance to people in need. The term 'phone hotline' can refer to a variety of services, such as crisis hotlines, suicide prevention hotlines, and even sexting hotlines. The crossword solution for the term 'phone hotline' is 'SEXT', which is an abbreviation for sexual text messaging. Sexting hotlines provide a safe and anonymous way for people to engage in sexual conversations with other consenting adults.