EntityQ6502269· pop 16· linked from 72 articlesringback toneSign in to savetone played after dialing a telephone number while waiting for the call to be answeredConnectionsMexicoCountryIndiaCountryChinaCountryRepublic of IrelandCountryCentral AmericaEntitymobile phoneEntityCaribbeanEntityInternational Standard Book NumberEntityCommonwealth of NationsEntitysmartphoneEntitytelecommunicationsEntityiPhoneEntitypatentEntityAT&TEntitytelephone numberEntitypublic switched telephone networkEntityEuropean Telecommunications Standards InstituteEntityringtoneEntitymobile network operatorEntityDual-tone multi-frequency signalingEntityCategoriesTelephony signals