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<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>I have been pulling my hair out concerning echo problems
from IP->PSTN calls. I have been through the <a
href="http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a0080149a1f.shtml">http://www.cisco.com/en/US/tech/tk652/tk698/technologies_tech_note09186a0080149a1f.shtml</a>
website multiple times that Ryan has previously suggested reading. <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>It is an intermittent problem so it’s very hard to
troubleshoot. I have a TAC case open but the TAC engineer is having me
capture data in the IP Port and the GW port (extremely difficult to do in a
production environment). Also the TAC engineer hasn’t asked for any
info on the 2801 (i.e., sh tech-support) or configs so it’s my belief
that maybe it’s being looked at from the wrong direction.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>I was able to get a call out and pull the “sh call
active voice” for the call.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>IOS: Cisco IOS Software, 2801 Software
(C2801-SPSERVICESK9-M), Version 12.4(10), RELEASE SOFTWARE (fc1)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>My stats for the call are as below which obviously my echo
cancellation isn’t being activated. I find it hard to believe that
I can have an ACOMLevel of 0 but I’m not sure what could be causing this.<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>NoiseLevel=-62<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>ACOMLevel=0<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>OutSignalLevel=-70<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>InSignalLevel=-65<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>InfoActivity=1<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>ERLLevel=0<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>EchoCancellerMaxReflector=19368 <o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>My voice-port configuration is as follows:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>Cisco-2801#sh voice port 0/1/1<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>Foreign Exchange Office 0/1/1 Slot is 0, Sub-unit is 1,
Port is 1<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Type of VoicePort is FXO<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> <st1:place w:st="on"><st1:PlaceName w:st="on">Operation</st1:PlaceName>
<st1:PlaceType w:st="on">State</st1:PlaceType></st1:place> is DORMANT<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> <st1:place w:st="on"><st1:PlaceName w:st="on">Administrative</st1:PlaceName>
<st1:PlaceType w:st="on">State</st1:PlaceType></st1:place> is UP<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> The Last Interface Down Failure Cause is
Administrative Shutdown<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Noise Regeneration is enabled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Non Linear Processing is enabled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Non Linear Mute is disabled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Non Linear Threshold is -21 dB<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Music On Hold Threshold is Set to -38 dBm<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> In Gain is Set to -5 dB<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Out Attenuation is Set to 5 dB<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Echo Cancellation is enabled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Echo Cancellation NLP mute is disabled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Echo Cancellation NLP threshold is -21 dB<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Echo Cancel Coverage is set to 64 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Echo Cancel worst case ERL is set to 6 dB<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Playout-delay Mode is set to adaptive<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Playout-delay Nominal is set to 60 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Playout-delay Maximum is set to 250 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Playout-delay Minimum mode is set to default, value
40 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Playout-delay Fax is set to 300 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Connection Mode is plar<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Connection Number is 6331<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Initial Time Out is set to 10 s<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Interdigit Time Out is set to 2 s<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Call Disconnect Time Out is set to 60 s<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Ringing Time Out is set to 180 s<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Wait Release Time Out is set to 30 s<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Companding Type is u-law<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Region Tone is set for US<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Analog Info Follows:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Currently processing none<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Maintenance Mode Set to None (not in mtc mode)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Number of signaling protocol errors are 0<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Impedance is set to 600r Ohm<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Station name None, Station number None<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Caller ID Info Follows:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Standard BELLCORE<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Caller ID is received after 1 ring(s)<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Translation profile (Incoming):<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Translation profile (Outgoing):<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Voice card specific Info Follows:<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Signal Type is loopStart<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Battery-Reversal is enabled<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Number Of Rings is set to 1<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Supervisory Disconnect is signal<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Answer Supervision is inactive<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Hook Status is On Hook<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Ring Detect Status is inactive<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Ring Ground Status is inactive<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Tip Ground Status is inactive<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Dial Out Type is dtmf<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Digit Duration Timing is set to 100 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> InterDigit Duration Timing is set to 100 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Pulse Rate Timing is set to 10 pulses/second<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> InterDigit Pulse Duration Timing is set to 750 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Percent Break of Pulse is 60 percent<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> GuardOut timer is 2000 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Minimum ring duration timer is 125 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Hookflash-in Timing is set to 600 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Hookflash-out Timing is set to 500 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> Supervisory Disconnnct Timing is set to 350 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'> OPX Ring Wait Timing is set to 6000 ms<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>Cisco-2801#<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'>Thanks in advance,<o:p></o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Tahoma><span style='font-size:8.0pt;
font-family:Tahoma'><o:p> </o:p></span></font></p>
<p class=MsoNormal><font size=1 face=Verdana><span style='font-size:7.5pt;
font-family:Verdana'>Johan Bloemhard <br>
Senior Information Technology Specialist <br>
___________________________________ <br>
<st1:place w:st="on"><st1:PlaceName w:st="on"><strong><b><font face=Verdana><span
style='font-family:Verdana'>Silver</span></font></b></strong></st1:PlaceName><strong><b><font
face=Verdana><span style='font-family:Verdana'> <st1:PlaceType w:st="on">Falls</st1:PlaceType>
<st1:PlaceType w:st="on">School District</st1:PlaceType></span></font></b></strong></st1:place><strong><b><font
face=Verdana><span style='font-family:Verdana'> 4J</span></font></b></strong> <br>
<st1:address w:st="on"><st1:Street w:st="on">802 Schlador Street</st1:Street> <br>
<st1:City w:st="on">Silverton</st1:City>, <st1:State w:st="on">OR</st1:State> <st1:PostalCode
w:st="on">97381</st1:PostalCode></st1:address> <br>
w: 503.873.6331 </span></font><o:p></o:p></p>
<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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