[asterisk-users] MFC/R2 Signaling configuration

[Tzafrir Cohen]

On Sat, Jan 12, 2008 at 08:11:20AM +0300, Brian Hutchinson wrote:
> Hi Moy,
> 
> Bottom line up front (yes I'm military):How do I now configure some of my
> spans as normal Euro ISDN and a few with R2?  Do I use a combination of
> /etc/asterisk/unicall.conf and /etc/zaptel.conf or just unicall.conf for
> everything?
> 
> See below for the rest of the details and thanks in advance for advice!
> 
> I downloaded your astunical-1.4.16 and have been studying it.
> 
> I have a machine running the latest download of asterisk-1.4-17 and was
> trying to figure out how to build MFC/R2 support into it.
> 
> I merged your unicall specific changes from the Makefile in channels
> directory to the new 1.4.17 channels Makefile (only like 4 changes).
> 
> Next I went into each individual directory of your tarball and started
> building.
> 
> I did spandsp-0.0.4 first and that appeared to work OK.
> 
> Next I did libsupertone-0.0.2 which again appeared to work OK.
> 
> Next I did libunicall-0.0.3 which went OK.
> 
> Next I did libmfcr2-0.0.3 and that didn't go OK.
> 
> I captured the output of make and found that the build of mfcr2.c died
> because it couldn't find the include file "linux/zaptel.h"
> 
> I did a find on my system and saw where zaptel.h was in
> /usr/include/zaptel/zaptel.h

Right. Any chance that your version of unicall is not up-to-date?

> 
> Once I fixed that ... I backed out to the main asterisk-1.4.17 directory and
> did a make there and it looked like it build chan_unicall OK and make
> install put the .so in the right place.
> 
> I noticed that your tarball did not include a unicall.conf file.  Do you
> have one?
> 
> I'm using two Digium TE420B (with DSP).  Most of my trunks will be EURO ISDN
> and two of them need to do R2 signalling.  How should my configs look?  Are
> all trunks configured with unicall.conf now or do I still have to use
> /etc/zaptel.conf?

I suspect that you should setup [trunkgroups] in zapata.conf somehow not to 
use some spans. Otherwise chan_zap will try to open them.

> 
> (time goes by)
> 
> rebooted the box and now it seg faults over and over because I guess I
> don't have the unicall conf set up right.

Do you have core dumps from those segfaults? Can you provide a
backtrace?

-- 
               Tzafrir Cohen
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