Home > Term: off-premises extension (OPX)
off-premises extension (OPX)
An extension telephone, PBX station, or key system station located on property that is not contiguous with that on which the main telephone, PBX, or key system is located.
- Kalbos dalis: noun
- Pramonės šaka / sritis: Telecommunications
- Category: General telecom
- Company: ATIS
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