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<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>Hi, I’m currently working on a * server connected to <span
class=GramE>an</span>… ahem… <span class=GramE>“Wireless
Communication Server”.</span> The HWCS has an NMS AG 4000C. I’m
using NI2, net side on the * box.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The D-Channel comes up.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The B-Channels come up.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>The first call to the * box goes through.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>After which, the HWCS with the AG4000 seems to either get a
state-machine screwed up, or * does not send the correct <span class=SpellE>hangup</span>
sequence from the first call, because directly after <span class=GramE>the
connect</span> on the next call, the HWCS sends a <span class=SpellE>hangup</span>,
but keeps the channel to the handset open. Most of the time, I only hear
silence, but sometimes I hear white noise. <span class=GramE>Loud white noise.</span>
Here is an annotated dump:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><span class=GramE><font size=2 face=Arial><span
style='font-size:10.0pt;font-family:Arial'>( By</span></font></span><font
size=2 face=Arial><span style='font-size:10.0pt;font-family:Arial'> the way,
this is using a hacked <span class=SpellE>libpri</span> that does not send
channel identification during the ALERTING and <span class=SpellE>othersuch</span>
‘redundant’ information, and yes, the <span class=SpellE>behaviour</span>
was EXACTLY the same before I hacked the lib )<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><< Sorry, had to cut the dump due to size
restrictions, but is available upon request >><o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 face=Arial><span style='font-size:10.0pt;
font-family:Arial'>-- Mike “Dexter” Church<o:p></o:p></span></font></p>
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