tˈɛlᵻɡɹˌæf sˈɪstəmz duːnˌɑːt ɡˈɪv ˌɛni ˌɪnfɚmˈeɪʃən ɐbˌaʊt wˌaɪ ɐn ɐlˈɑːɹm wʌz tɹˈɪɡɚd, ˈoʊnli ðə bˈɑːks nˈʌmbɚ wˌɪtʃ tˈɛlz fˈaɪɚfaɪɾɚz wˌɛɹ tə ɹᵻspˈɑːnd.
Telegraph systems do not give any information about why an alarm was triggered, only the box number which tells firefighters where to respond.