前向呼叫；呼叫转移的英文

• call forwarding

• 前:    front
• 向:    direction
• 呼叫:    call out; shout
• 转移:    shift; transfer; divert
• 呼叫转移:    cal back transfer; call diversion; call divert; call forwarding; call fowarding; call transfer; dial type resistor; redirection of call; transfer of calls