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An off-premises extension (OPX), sometimes also known as off-premises station (OPS), is an extension telephone at a location distant from its servicing exchange or the primary service location.
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opx extension off-premises telephone used exchange service location connected private line may pbx type generally employees office phone business calls
| Subject | Predicate | Object | Confidence | Src |
|---|---|---|---|---|
| call forwarding-no answer or simultaneous ringing of multiple lines can replace several of the conveniences of an OPX at much lower cost.An OPX uses a conditioned wire pair that is usually used only for voice applications | instance of | with an OPX of the business telephone of each client so that answering service employees could personally answer calls to the business outside regular hours.Recent innovations | 0.80 | text |
| while for data | instance of | with an OPX of the business telephone of each client so that answering service employees could personally answer calls to the business outside regular hours.Recent innovations | 0.80 | text |
| a pair usually needs to be unconditioned | instance of | with an OPX of the business telephone of each client so that answering service employees could personally answer calls to the business outside regular hours.Recent innovations | 0.80 | text |
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