PBX Systems for IP Telephony
Written by a recognized expert in telephony systems, this guide evaluates technologies, markets, and best practices for enterprise voice systems, messaging, and customer contact centers.
TABLE OF CONTENTS PBX Systems for IP Telephony
Appendix A: Call Processing Feature/Function Glossary and Definitions
This appendix is an abridged glossary of voice calling features that are available on leading PBX systems. This glossary is intended to be representative of the most popularly requested customer features, but it does not include all of the currently available features. Each PBX system feature set is unique, and feature capabilities differ across manufacturers models. Although the typical PBX station user may commonly use only a small fraction of these features under normal working conditions, each feature has some productivity and/or cost savings value. PBX systems that lack more than 15 percent of these features cannot be said to be competitive in the marketplace.
Station User Features
Add-on Conference
This feature allows a station user to add a third party to an existing two-party conversation.
Automatic Callback
This feature is used when a dialed station is busy. When the feature is activated, the system automatically attempts to call the desired station until the line is free. The calling party is alerted that the called party is available. This saves wasted time dialing when encountering busy signals.
Automatic Intercom
This feature provides a talking path between two voice terminal users. A station user presses a programmed automatic intercom button and lifts the handset, or vice versa. The called user receives a unique intercom alerting signal, and the status lamp associated with the dial or automatic intercom button, if provided, flashes.
Bridged Call Appearance
This feature allows the same line appearance to be programmed to appear on more than one telephone.
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