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<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>We had a VGW that interconnected the PBX
and CM. running CM 4.1 and Unity 4.0.5 on both the PBX and the CM side of
things. I think DSP problem could very well be a possibility. Have you
upgraded?<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'>Scott<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=2 color=navy face=Arial><span style='font-size:
10.0pt;font-family:Arial;color:navy'><o:p> </o:p></span></font></p>
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<p class=MsoNormal><b><font size=2 face=Tahoma><span style='font-size:10.0pt;
font-family:Tahoma;font-weight:bold'>From:</span></font></b><font size=2
face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma'> Mike Neal
[mailto:routerguru1@gmail.com] <br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, July 27, 2007 8:48
AM<br>
<b><span style='font-weight:bold'>To:</span></b> Voll, Scott<br>
<b><span style='font-weight:bold'>Cc:</span></b> cisco-voip@puck.nether.net<br>
<b><span style='font-weight:bold'>Subject:</span></b> Re: [cisco-voip]
Crosstalk or Merged VoIP calls</span></font><o:p></o:p></p>
</div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'><o:p> </o:p></span></font></p>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Nope, no QSig. Just standard North American PRI signaling here.<o:p></o:p></span></font></p>
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<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>What version CCM were you using?<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>What were you using for voice mail?<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Where there voice gateways involved in your seni<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
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<div>
<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Our first thought was this was a typical DSP problem but how could a
live conversation get re-routed from it's orginal router to our VM system and
be merged in to an exsisting incoming VM call that is being left for a user.
This one will go down in the history books as then one that stumped the world I
think. I can only hope that someone out there has see this and can point me in
the right direction. <o:p></o:p></span></font></p>
</div>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'> <o:p></o:p></span></font></p>
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<p class=MsoNormal><font size=3 face="Times New Roman"><span style='font-size:
12.0pt'>Thanks,<br>
<br>
<o:p></o:p></span></font></p>
</div>
<div>
<p class=MsoNormal><span class=gmailquote><font size=3 face="Times New Roman"><span
style='font-size:12.0pt'>On 7/27/07, <b><span style='font-weight:bold'>Voll,
Scott</span></b> <<a href="mailto:Scott.Voll@wesd.org" target="_blank">Scott.Voll@wesd.org</a>
> wrote:</span></font></span> <o:p></o:p></p>
<div vlink=purple link=blue>
<div>
<p><font size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:navy'>I have seen this when we had our CM and old legacy PBX
connected. I always thought it was the PBX screwing something up……….
Are any of the Connections QSig? </span></font><o:p></o:p></p>
<p><font size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:navy'> </span></font><o:p></o:p></p>
<p><font size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:navy'>Scott</span></font><o:p></o:p></p>
<p><font size=2 color=navy face=Arial><span style='font-size:10.0pt;font-family:
Arial;color:navy'> </span></font><o:p></o:p></p>
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<p><b><font size=2 face=Tahoma><span style='font-size:10.0pt;font-family:Tahoma;
font-weight:bold'>From:</span></font></b><font size=2 face=Tahoma><span
style='font-size:10.0pt;font-family:Tahoma'> <a
href="mailto:cisco-voip-bounces@puck.nether.net" target="_blank">cisco-voip-bounces@puck.nether.net</a>
[mailto:<a href="mailto:cisco-voip-bounces@puck.nether.net" target="_blank">cisco-voip-bounces@puck.nether.net</a>]
<b><span style='font-weight:bold'>On Behalf Of </span></b>Mike Neal<br>
<b><span style='font-weight:bold'>Sent:</span></b> Friday, July 27, 2007 8:16
AM<br>
<b><span style='font-weight:bold'>To:</span></b> <a
href="mailto:cisco-voip@puck.nether.net" target="_blank">cisco-voip@puck.nether.net</a><br>
<b><span style='font-weight:bold'>Subject:</span></b> [cisco-voip] Crosstalk or
Merged VoIP calls</span></font><o:p></o:p></p>
</div>
<div>
<p><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> <o:p></o:p></span></font></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>Has
anyone seen crosstalk or calls getting merged in a VoIP environment.</span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>We
run a very large VoIP environment and have seen 3 cases of this.</span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'> </span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>Case
#1: </span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>Two
routers in two different locations.</span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>Location
'A' has a user on an IP phone outbound to the PSTN.</span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>Location
'B' receives an inbound call that gets forward to our own voicemail system via
a Cisco 7610 DPA.</span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>Our
voicemails are delivered to our email the form of .WAV files.</span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>The
.WAV file delivered to the user is of the conversation that location 'A' user
is having.</span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>The
.WAV file recorded a portion of their conversation.</span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>How
is this possible? The two voice streams don't exist on the same routers. How
could they and where could they have mixed. </span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'> </span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>Case
#2: </span></font><o:p></o:p></p>
<div>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>One
router in one location (that we know of..lol).</span></font><o:p></o:p></p>
</div>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>User
dials in and this time leaves me a voice mail. The voice mail I get is not what
he left but of another live conversation of another party. </span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'> </span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>The
only common parties involved here are CCM 4.x cluster, Cisco DPA7610's and our
voicemails system.</span></font><o:p></o:p></p>
<p><font size=3 face="Times New Roman"><span style='font-size:12.0pt'> <o:p></o:p></span></font></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>Any
help would be appreciated.</span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>Cisco
is baffled as well.</span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'> </span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>Thanks,
</span></font><o:p></o:p></p>
<p><font size=3 face=Calibri><span style='font-size:12.0pt;font-family:Calibri'>Mike</span></font><o:p></o:p></p>
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