We’ve been asked to talk about using Asterisk to build scalable open-source IVRs at Pulver’s Fall VON and Digium Asterisk World. The conference is held here in Boston (our stomping grounds), and our panel is at 2pm on Tuesday, Oct 30.
I (Steve) will be on the panel along with a next gen [...]

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Version 0.5 of Voiceglue is now available on the download page.
This version fixes a bug with validation of identifiers in VXML files.
If you’re getting errors like these:
      Datatype error: Type:InvalidDatatypeValueException, Message:Value ‘caller’ does not match regular expression facet ‘([a-zA-Z]|[a-zA-Z$][a-zA-Z0-9_$]*[a-zA-Z0-9_])’
      [...]

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Voiceglue author Doug Campbell is planning to be at this year’s Astricon for the Thursday sessions and the first half of Friday. If you’d like to get in touch or meet with Doug, look for the tall geek muttering about VxML (just kidding, Doug generally doesn’t mutter), or drop us a line, contact [...]

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Version 0.4 of Voiceglue is now available on the download page.
This version fixes a bug with cached grammars.
Thanks to those that are submitting bug reports, so they can get fixed!

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Version 0.3 of Voiceglue is now available on the download page.
This version contains a one-line change to the voiceglue executable that handles newer versions of LibXML. These newer versions of LibXML give a different nodeName for text nodes than it used to. The symptom of this failing in the old version is that [...]

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Version 0.2 of Voiceglue has now been released.
It fixes a very nasty bug with cached grammars, that caused any cached grammar to terminate the script! Hard to get much done with that bug! Thanks to users on the mailing list for finding it.
Also, it removes install errors in cases where the special user [...]

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The first release of Voiceglue is now available. We finished testing release 0.1 this afternoon, and it’s downloadable.
This first release supports DTMF input (no speech recognition yet), recording, and playback of TTS (via flite) and pre-recorded audio. We plan to integrate speech recognition soon using LumenVox’s engine and possibly Sphinx. Further [...]

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Well, that last issue turned out to be a significant one. The base code was not properly processing SRGS grammars. We needed to fix the grammar parser to handle SRGS. We looked for an open source solution, couldn’t find one. So we had to write one from scratch. That work [...]

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First release is now within days! (I’m pretty sure). We’ve been able to spend the extra time to get TTS and proper caching of both pre-recorded and TTS-generated audio working properly, shared across call threads. The last item before initial release is making sure the SRGS grammars for DTMF are getting processed correctly. As [...]

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We’ve been sidetracked with critical contract work, which is delaying us for the time being on finishing the release.

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