She [topic-は] he [subject-が] [comes-to-call-呼びにくる] [until-まで] work [object-を] continued.
呼びにくる combines 呼ぶ ('call') with the purposive ~に + 来る — 'come (in order) to call.' The に here marks purpose, distinct from goal-に or recipient-に. ~まで then sets the temporal endpoint ('until').