"on call" in German on call abrufbereit Detailed translations for "on call" on call on call(also: on-line, ready for delivery on demand) abrufbereit{adjectiv} I have to be on call night and day. Source: opensubtitles.org Corpus by OPUS Request review Ich muss stets abrufbereit sein. You're on call anytime. Source: opensubtitles.org Corpus by OPUS Request review Man muss jederzeit abrufbereit sein.