。
A friend called me last night.
Literal
Friend [subject-が] last-night phone [object-を] placed [toward me-きた].
電話をかけてくる uses ~てくる to mark the call as arriving at the speaker. 昨夜 (さくや) is the formal reading; the colloquial 夕べ would be more casual. かける here means 'to place/make' a call.