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off-premise extension |
Also found in: Acronyms | 0.02 sec. |
off-premise extensionA 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. How to thank TFD for its existence? Tell a friend about us, add a link to this page, add the site to iGoogle, or visit webmaster's page for free fun content. |
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It eliminates expensive, off-premise extension numbers and provides every credit union employee with a personal phone and voice mail account for the first time. This interface is of value for off-premise extension applications. The new functionality appears as an off-premise extension, a tie line or a special phone extension. |
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