vxml is often used to create IVR services, and do have some popularity in
companies that like to think that they can exchange the box if needed.
Most of us know that there are not a single vxml interpreter that don't have
some proprietary parts, but it still means that with vxml you have an
application where 95% ++ can be re-used if you as an example want to replace
FreeSWITCH with another IVR engine.
The reason I mention IVR is because it is hardly worth using vxml (and speech
recognition) unless you have an application of some complexity.
These applications need to interface to host interfaces, databases etc. The
easiest way of dong that is through a web based service that is exported out as
a wsdl, in which case you generate Java code.
The second reason you need javascript/java capability is because vxml itself is
hard to use for logic - we are not talking hello world apps here.
Jan
Date: Thu, 5 Mar 2009 19:45:34 -0800
From: jaugenst...@gmail.com
To: freeswitch-dev@lists.freeswitch.org
Subject: Re: [Freeswitch-dev] CCXML/VXML module
Jan,
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
specification.
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.
Jonathan
On Thu, Mar 5, 2009 at 3:12 PM, Jan Berger <ja...@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: jaugenst...@gmail.com
To: freeswitch-dev@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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