You wanted barge-in back. We heard you. It's back.
Response Point SP2 now supports speech barge-in as a checkbox in the Configure Automated Receptionist dialog box:
To install it....
Rather than supply a separate patch that would need to be applied every time you installed SP2, we've slip-streamed the fix directly into SP2.
This is a surgical fix. SP2 with optional barge-in is version 1.21.5017.0. The default behavior for this release is the same as the deprecated version 1.20.4926.0.
Things to be aware of...
If switched on, speech barge-in can be sensitive to:
Your mileage will vary depending on a variety of factors (line quality, who's calling and where they're calling from, etc). Speech barge-in works well for lots of customers, and if you're one of these, all is cool.
If you try switching on barge-in, but it doesn't work well for you: