noun
direct call facility
Computing term for a feature that allows direct invocation of a function or service, often in telecommunications or software systems.
この交換機は直接呼出し機能を備えている。
This switchboard is equipped with a direct call facility.
Compound of 直接 (direct) + 呼出し (calling) + 機能 (function). The exact historical derivation is uncertain; the term is a technical calque likely from English 'direct call facility'.