[Asterisk-Users] Display and UUS IEs on PRI - Q.931 question

Klaus-Peter Junghanns kpj at junghanns.net
Mon Jul 26 10:15:35 MST 2004


Hi,

you can take a look at how bristuff does this (it only has to be enabled
in chan_zap to actually forward the display IE, uncomment line 8007).
Latest version of bristuff is 0.1.0-RC2g which works with todays
CVS versions. You can find it at www.junghanns.net/asterisk/

best regards

Klaus
-- 
Klaus-Peter Junghanns

CEO, CTO
Junghanns.NET GmbH
Breite Strasse 13a - 12167 Berlin - Germany
fon: (de) +49 30 79705390
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http://www.Junghanns.NET/asterisk/


> At 7:00 PM +0200 on 7/26/04, Martin Blatter wrote:
> >During an outgoing call on the PRI (E1, Euro ISDN) my provider regularly
> >sends INFORMATION type messages containing IE 40 (Display) elements with
> >the current cost of the call in progress (see below for example).
> >The same Display IE is also transmitted during a RELEASE.
> >
> >I would like to pass this (very useful, IMHO) information to the calling
> >device (i.e. a SIP phone) using the SendText() command.
> >
> >How can I get this information out of libpri and into Asterisk?
> >
> >Also, during setup of a call, we sometimes get IE 45 (User-to-User)
> >containing the name of the caller. This information could be used
> >as the "Name" part of the caller ID. How can I get and set this
> >information within Asterisk?
> >
> >Thanks for any pointers.
> >
> >regards
> >martin
> >
> >< Message type: INFORMATION (123)
> >< [< [28< [28 08< [28 08 46< [28 08 46 52< [28 08 46 52 2e< [28 08 
> >46 52 2e 20< [28 08 46 52 2e 20 30< [28 08 46 52 2e 20 30 2e< [28 08 
> >46 52 2e 20 30 2e 32< [28 08 46 52 2e 20 30 2e 32 30< [28 08 46 52 
> >2e 20 30 2e 32 30]
> >< Display (len= 8) [ FR. 0.20 ]
> >-- Processing IE 40 (cs0, Display)
> >
> >--
> >Martin A. Blatter | lic. oec. publ. Wirtschaftsinformatiker | IT-Leiter
> >OLMeRO AG | Europastrasse 30 | CH-8152 Glattbrugg | Switzerland
> >blatter at olmero.ch | phone +41 44 200 44 50
> 
> 
> This is not an exact answer to your question, but might point you in 
> the right direction if you wanted to make your own patch for 
> incorporating UUI q.931 information into your system.  If you make a 
> patch, please submit it to http://bugs.digium.com/ since there are 
> others who would find this useful.
> 
> http://lists.digium.com/pipermail/asterisk-dev/2003-September/001751.html
> 
> JT
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