OPX meaning in Telecommunication ?

Answer: What is Off Premise Extension mean?

An off-premises extension (OPX), sometimes also known as off-premises station (OPS), is an extension telephone at a location distant from its servicing private branch exchange (PBX). An off-premises extension is generally used to provide employees with access to a company telephone system while they are out of the office.

Off-premises extensions are used in distributed environments, serving locations that are too far from the PBX to be served by on-premises wiring.

An OPX uses a conditioned wire pair that is usually used only for voice applications, while for data, a pair usually needs to be unconditioned. An alarm circuit is an unconditioned pair.

In Internet telephony, a VoIP VPN OPX may be implemented by connecting an extension over a virtual private networking connection, instead of connecting it directly to the local area network. As a host connected by a VPN appears as a part of the local area network, the off-premises extension appears to the IP-PBX as if it were on-site.

reference

Full Form	Category
Open Philanthropy Exchange	Community
Overland Park Xchange	Community
Off Premises Extension	Computing
Chart (ms Organization)	File Type
Inactive Options (exact)	File Type
Ohio Power Company	Regional
Ohio Power	Regional
Off Premise Extension	Telecommunication