Fetching details from the dictionary...

to pass on (a message, thoughts, etc.); to convey; to transmit; to relay; to tell
to inform (of a visitor, phone call, etc.); to announce (a visitor); to answer (the door or phone on someone's behalf); to usher in (a guest)
to act as an agent (between a manufacturer, wholesaler, etc. and retailers); to act as an intermediary; to handle (goods; for a company)
受付で名前を告げると担当者に取り次いでもらえる。
If you give your name at the reception, they will connect you to the person in charge.
彼女は電話を上司に取り次ぐ役割を担っている。
She is responsible for transferring calls to her boss.
彼に用件を取り次いだ。
I passed the matter along to him.