割わり込こみ通つう話わ

noun or participle which takes 'suru'

call waiting

A telephone service that notifies you of an incoming call while you are already on a call, allowing you to switch between calls.

• 割わり込こみ通つう話わを利り用ようすると、通つう話わ中ちゅうに別べつの着ちゃく信しんに応おう答とうできます。

  By using call waiting, you can answer another incoming call while on a call.