OPX (Off-Premises Extension): Difference between revisions

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'''<u>OPX (Off-Premises Extension)</u>''' is a dedicated circuit connecting a distant location to a main PBX to provide the same phone system features available at the main location.
'''OPX (Off-Premises Extension)''' is a dedicated circuit connecting a distant location to a main PBX to provide the same phone system features available at the main location.


{{RelevantNENADocs}}
{{RelevantNENADocs}}


[https://www.nena.org/page/DataFormats NENA-STA-015, NENA Standard Data Formats for 9‑1‑1 Data Exchange &amp; GIS Mapping]
'''NENA-STA-015''', NENA Standard Data Formats for 9‑1‑1 Data Exchange &amp; GIS Mapping
[[Category:Glossary]]
[[Category:Glossary]]

Latest revision as of 18:27, 9 January 2024

OPX (Off-Premises Extension) is a dedicated circuit connecting a distant location to a main PBX to provide the same phone system features available at the main location.

Relevant NENA Documents
Note: To find and download the document, copy the document number (like NENA-STA-010) from below and search the NENA Standards and Documents page.


NENA-STA-015, NENA Standard Data Formats for 9‑1‑1 Data Exchange & GIS Mapping