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off-premise extension

A telephone in a remote location that is treated as an ordinary extension phone. Before IP telephony was developed, off-premise extensions (OPXs) were handled by forcing the PBX to complete an outbound circuit in addition to the inbound one.



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Before/After Your Search Term
BeforeAfter
OEMIoff site
OEOoff-site backup
Oerstedoff-site data protection
OFDMoff-site storage
OFDMAoff-the-shelf
off-grid datacenteroffboard
off-hookoffboarding
off-lineoffensive counter-cyber
off-loadoffensive cyberspace operations
off-netOffice

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