noun which may take the genitive case particle 'no'
unavailable; unable to respond; cannot handle
Used for people, services, or systems that cannot deal with a request, demand, or situation. Often seen in customer service contexts.
本日は電話対応不可です。
We are unable to take phone calls today.
この問題は私一人では対応不可だ。
I cannot handle this problem alone.
noun which may take the genitive case particle 'no'
incompatible; unsupported
Technical use for devices, software, or formats that do not work together or are not supported.
このプリンターは最新のOSに対応不可です。
This printer is incompatible with the latest OS.
Compound of 対応 (handling, correspondence) and 不可 (not possible). A straightforward Sino-Japanese formation.