<!DOCTYPE HTML PUBLIC "-//W3C//DTD HTML 4.0 Transitional//EN">
<HTML xmlns="http://www.w3.org/TR/REC-html40" xmlns:v =
"urn:schemas-microsoft-com:vml" xmlns:o =
"urn:schemas-microsoft-com:office:office" xmlns:w =
"urn:schemas-microsoft-com:office:word" xmlns:st1 =
"urn:schemas-microsoft-com:office:smarttags"><HEAD>
<META http-equiv=Content-Type content="text/html; charset=us-ascii">
<META content="MSHTML 6.00.2900.2604" name=GENERATOR><!--[if !mso]>
<STYLE>v\:* {
        BEHAVIOR: url(#default#VML)
}
o\:* {
        BEHAVIOR: url(#default#VML)
}
w\:* {
        BEHAVIOR: url(#default#VML)
}
.shape {
        BEHAVIOR: url(#default#VML)
}
</STYLE>
<![endif]--><o:SmartTagType
namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="State"></o:SmartTagType><o:SmartTagType
namespaceuri="urn:schemas-microsoft-com:office:smarttags"
name="place"></o:SmartTagType><!--[if !mso]>
<STYLE>st1\:* {
        BEHAVIOR: url(#default#ieooui)
}
</STYLE>
<![endif]-->
<STYLE>@font-face {
        font-family: Tahoma;
}
@page Section1 {size: 8.5in 11.0in; margin: 1.0in 1.25in 1.0in 1.25in; }
P.MsoNormal {
        FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"
}
LI.MsoNormal {
        FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"
}
DIV.MsoNormal {
        FONT-SIZE: 12pt; MARGIN: 0in 0in 0pt; FONT-FAMILY: "Times New Roman"
}
A:link {
        COLOR: blue; TEXT-DECORATION: underline
}
SPAN.MsoHyperlink {
        COLOR: blue; TEXT-DECORATION: underline
}
A:visited {
        COLOR: purple; TEXT-DECORATION: underline
}
SPAN.MsoHyperlinkFollowed {
        COLOR: purple; TEXT-DECORATION: underline
}
SPAN.EmailStyle17 {
        COLOR: navy; FONT-FAMILY: Arial; mso-style-type: personal-reply
}
DIV.Section1 {
        page: Section1
}
</STYLE>
</HEAD>
<BODY lang=EN-US vLink=purple link=blue>
<DIV dir=ltr><FONT face=Tahoma size=2>CSCee76615</FONT></DIV>
<DIV><FONT face=Tahoma size=2></FONT> </DIV>
<DIV><FONT face=Courier>Symptom:<BR>--------<BR>IOS Gateway running IOS
12.3(7)Tx and 12.3(8)Tx, with DSPware 4.3.16 and <BR>later with
NM-HDV/NM-HD-2V/AIM modules may experience one way audio
<BR>intermittently.<BR><BR>One way audio problem starts to happen during the
duration of the call. <BR>It may continue until the users disconnect the call.
At times, one way<BR>audio problem may clear up by itself during the
call.<BR><BR>Condition:<BR>-----------<BR>This problem was observed in the
following topology,<BR><BR>T1 <BR>Analog/IP Phones ----- IOS Gateway -------
PSTN<BR><BR>In the above topology, the PSTN user may experience no audio
problems. <BR>IP Phone user was able to hear the PSTN user through out the
entire <BR>duration of the call.<BR><BR><BR>Work-around:<BR>------------<BR>If
possible, use IOS 12.3(7)Tx or 12.3(8)Tx running 4.3.15 DSPware.</FONT></DIV>
<DIV><BR></DIV>
<BLOCKQUOTE dir=ltr style="MARGIN-RIGHT: 0px">
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> King, Jesse
[mailto:JKing@thegranitegroup.com] <BR><B>Sent:</B> Thursday, March 24, 2005
9:38 AM<BR><B>To:</B> Voll, Scott;
cisco-voip@puck.nether.net<BR><B>Subject:</B> RE: [cisco-voip] Incoming Call
Issue<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV dir=ltr align=left><SPAN class=197033715-24032005><FONT face=Arial
color=#0000ff size=2>Can't recreate at will. Yes, opened a ticket with the
Telco. It does sound like a one way, but there is no voice going across in
either direction. I was able to have a bad test with my cell calling my IP
phone and no voice either way but the call was connected.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=197033715-24032005><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=197033715-24032005><FONT face=Arial
color=#0000ff size=2>new install. </FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=197033715-24032005><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=197033715-24032005><FONT face=Arial
color=#0000ff size=2>Thanks.</FONT></SPAN></DIV>
<DIV dir=ltr align=left><SPAN class=197033715-24032005><FONT face=Arial
color=#0000ff size=2></FONT></SPAN> </DIV>
<DIV dir=ltr align=left><SPAN class=197033715-24032005></SPAN> </DIV><BR>
<DIV class=OutlookMessageHeader lang=en-us dir=ltr align=left>
<HR tabIndex=-1>
<FONT face=Tahoma size=2><B>From:</B> Voll, Scott [mailto:Scott.Voll@wesd.org]
<BR><B>Sent:</B> Thursday, March 24, 2005 10:39 AM<BR><B>To:</B> King, Jesse;
cisco-voip@puck.nether.net<BR><B>Subject:</B> RE: [cisco-voip] Incoming Call
Issue<BR></FONT><BR></DIV>
<DIV></DIV>
<DIV class=Section1>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">Can you recreate this
at will? Have you opened a ticket with your Telco? It almost
sounds like a one way audio issue. Is this a new install or did this
just start happening? <o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">I had an issue just a
month or so ago where there was a one way audio issue with <st1:State
w:st="on"><st1:place w:st="on">California</st1:place></st1:State>. Might
be worth a ticket with your local telco.<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial">scott<o:p></o:p></SPAN></FONT></P>
<P class=MsoNormal><FONT face=Arial color=navy size=2><SPAN
style="FONT-SIZE: 10pt; COLOR: navy; FONT-FAMILY: Arial"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<DIV class=MsoNormal style="TEXT-ALIGN: center" align=center><FONT
face="Times New Roman" size=3><SPAN style="FONT-SIZE: 12pt">
<HR tabIndex=-1 align=center width="100%" SIZE=2>
</SPAN></FONT></DIV>
<P class=MsoNormal><B><FONT face=Tahoma size=2><SPAN
style="FONT-WEIGHT: bold; FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">From:</SPAN></FONT></B><FONT
face=Tahoma size=2><SPAN style="FONT-SIZE: 10pt; FONT-FAMILY: Tahoma">
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net]
<B><SPAN style="FONT-WEIGHT: bold">On Behalf Of </SPAN></B>King,
Jesse<BR><B><SPAN style="FONT-WEIGHT: bold">Sent:</SPAN></B> Thursday, March
24, 2005 7:27 AM<BR><B><SPAN style="FONT-WEIGHT: bold">To:</SPAN></B>
cisco-voip@puck.nether.net<BR><B><SPAN
style="FONT-WEIGHT: bold">Subject:</SPAN></B> [cisco-voip] Incoming Call
Issue</SPAN></FONT><o:p></o:p></P></DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"><o:p> </o:p></SPAN></FONT></P>
<DIV>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">CM 4.1(2), MGCP Gateway 3745, IOS
ver 12.3.11t3, using a PRI</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Most calls coming in are fine. But
sometimes a call comes in, This is what happened - PSTN calling gets no
ringing, but call rings on 7960 phone and is able to answer. No voice in or
out is working. Call will stay up until PSTN caller disconnects call because
of no ringing or conversation. </SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">I can't seem to narrow this down,
and frankly not sure how to. I did a debug of ISDN q931, and have the capture
of a good and a bad, but the look the same. So I suspect I am not debugging
the right thing. </SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Attached is the isdn q931 of the
bad, then the good.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Any suggestions on where I could
start?</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Thanks
guys.</SPAN></FONT><o:p></o:p></P></DIV>
<DIV>
<P class=MsoNormal><FONT face="Times New Roman" size=3><SPAN
style="FONT-SIZE: 12pt"> <o:p></o:p></SPAN></FONT></P></DIV>
<DIV>
<P class=MsoNormal><FONT face=Arial size=2><SPAN
style="FONT-SIZE: 10pt; FONT-FAMILY: Arial">Jesse</SPAN></FONT><o:p></o:p></P></DIV></DIV></BLOCKQUOTE></BODY></HTML>