。。
My father is out. Shall I tell him to call you?
Literal
Father [topic-は] gone-out [polite-います]. Telephone do [so that-ように] convey shall-I [question-か]?
A polite two-part exchange: informing the caller that father is out (polite ています), then offering to relay a message. ~ように伝える is an indirect command pattern ('tell someone to do X'). ~ましょうか offers to perform a service — standard phone etiquette.