- 呼叫器 hūjiàoqì pagerA wireless telecommunications device used to receive short messages; pager; beeper
- 呼叫中心 hūjiàozhōngxīn call centerbusiness office or facility used for receiving or transmitting a large volume of enquiries by telephone
- 呼叫声 hūjiàoshēng whoopa loud cry or shout, such as a whoop or a call for help