[Freeswitch-dev] CCXML/VXML module

jonathan augenstine jaugenstine at gmail.com
Thu Mar 5 19:45:34 PST 2009


I have been looking over the VXML and CCXML specifications.  I only see very
peripheral references to JavaScript.  Can you elaborate on why JavaScript
would be needed?  I do not see the connection, based on what I see in the

While I am no big XML fan, I do not see any inherent reason VXML should be
any slower than other scripting or XML based protocols.  I could see where a
particular implementation, such as OpenVMXL, might have programming issues
that could create bottlenecks; but is the particular issue with VXML
specification or the implemetation?  Can you elaborate?

If I can explain the issues with VXML relative to alternatives they might
consider alternatives in the design.


On Thu, Mar 5, 2009 at 3:12 PM, Jan Berger <janvb at live.com> wrote:

>  We have talked about it, but it's not on the priority list as far as I
> know.
> vxml as a scripting language is very slow + complex as you also need
> JavaScript.
> It does however exist open source that can be used. OpenVXL - this exist in
> 2 versions. The newest is GPL, but it was previously published under a
> different license that is compatible with FreeSwitch. This is only VXML, but
> I suggest you start with that.
> Jan
> ------------------------------
> Date: Thu, 5 Mar 2009 09:21:48 -0800
> From: jaugenstine at gmail.com
> To: freeswitch-dev at lists.freeswitch.org
> Subject: [Freeswitch-dev] CCXML/VXML module
> I have a project that has a requirement for CCXML/VXML.  I know this topic
> has popped up periodically on this list.  My first question is, does anyone
> know of any development going on in this area on Freeswitch?  I am
> considering writing a CCXML/VXML module, but I do not want to reinvent the
> wheel.  If there is no current development going on, then I have some
> additional questions.
> I am looking at developing a module.  I am familiar with the architecture
> of Freeswitch, but have not been in the core code a lot.  I was considering
> using the XML-RPC module as a template for a CCMXL/VXML module, and I was
> considering using expat for XML parsing.  Any comments or thoughts?
> Jonathan
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