[asterisk-users] asterisk SIP, SIPAddHeader() and Cisco GED-125

[Franklin Webb]

Hello David,

I had an application where I had to pass data between Asterisk and a Genesys system using SIPAddHeader().  It worked pretty well, but we had two genesys boxes, and by the time I was done I found I was losing the SIP header where I needed it, since it only shows up on next INVITE.  I ended up storing data in the CallerID Name field with a delimeter and parsing it out.  Far from an ideal solution, but it may be something that can help you.

Best of luck,

Frank
----- Original Message -----
From: "David Backeberg" <dbackeberg at gmail.com>
To: "Asterisk Users Mailing List - Non-Commercial Discussion" <asterisk-users at lists.digium.com>
Sent: Wednesday, March 3, 2010 12:34:08 PM
Subject: [asterisk-users] asterisk SIP, SIPAddHeader() and Cisco GED-125

Greetings:

I'm in the situation where I'm trying to splash information picked off
by an asterisk IVR into a Cisco call center environment. I'm under the
impression that the ONLY way to do this is to setup socket connections
with the Cisco "voice processor", or CVP, and send packets
corresponding to GED-125. Cisco has a detailed 100+-page document
detailing the internals of what these packets need to look like.

But wouldn't it be nice if instead, you could use SIPAddHeader() with
X tags and have Cisco pick off the out-of-band values from SIP
packets? Wouldn't it be even nicer if there was a middleware that
spoke GED-125 out of one side, and spoke SIP X headers on the other
side?

I will soon be able to tell you about the bowels of this interaction,
but before I go down this road, does anybody want to speak up with
lessons learned from doing this themselves? I'm assuming I'm going to
end up creating a library in Perl to help me do this (that is, the
out-of-band conversation with the CVP).

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Franklin Webb
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Inter Medi@ Marketing Solutions
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fwebb at imminc.com