発はっ加か入にゅう者しゃ

noun

calling subscriber; calling party

Technical term in telecommunications and computing for the party that initiates a call or connection.

• 発はっ加か入にゅう者しゃが通つう話わを開かい始しすると、着ちゃく信しん側がわの端たん末まつが鳴なります。

  When the calling subscriber initiates the call, the receiving terminal rings.