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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>You have to bind signal and media traffic out of the router to
the CUCM with the IP address you have configured on CUCM &#8220;by default CUCM
reject calls with source address other than the configured&#8221;<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>Try the below on the gateway:<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>voice service voip<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>sip<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'>bind all source-interface &#8220;interface configured on
CUCM&#8221;<o:p></o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal style='background:white'><span style='font-size:10.0pt;
font-family:"Calibri","sans-serif";color:#1F497D'>&nbsp;</span><span
style='font-size:10.5pt;font-family:"Calibri","sans-serif";color:#1F497D'>Best
Regards;<o:p></o:p></span></p>

<p class=MsoNormal style='background:white'><span style='font-size:10.5pt;
font-family:"Calibri","sans-serif";color:#1F497D'>&nbsp; Ahmed Elnagar<o:p></o:p></span></p>

<p class=MsoNormal style='background:white'><span style='font-size:10.5pt;
font-family:"Calibri","sans-serif";color:#1F497D'>&nbsp; Senior Network PS
Engineer<o:p></o:p></span></p>

<p class=MsoNormal style='background:white'><span style='font-size:10.5pt;
font-family:"Calibri","sans-serif";color:#1F497D'>&nbsp; Mob: +2019-0016211<o:p></o:p></span></p>

<p class=MsoNormal style='background:white'><span style='font-size:10.5pt;
font-family:"Calibri","sans-serif";color:#1F497D'>&nbsp;<img width=63
height=63 id="Picture_x0020_0" src="cid:image001.jpg@01CAE592.A86AADF0"
alt="ccie_voice_large.gif"><img width=63 height=63 id="Picture_x0020_1"
src="cid:image002.jpg@01CAE592.A86AADF0" alt="ccvp_voice_large.gif"><o:p></o:p></span></p>

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<p class=MsoNormal><span style='font-size:11.0pt;font-family:"Calibri","sans-serif";
color:#1F497D'><o:p>&nbsp;</o:p></span></p>

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<p class=MsoNormal><b><span style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>From:</span></b><span
style='font-size:10.0pt;font-family:"Tahoma","sans-serif"'>
cisco-voip-bounces@puck.nether.net [mailto:cisco-voip-bounces@puck.nether.net] <b>On
Behalf Of </b>Brian Schultz<br>
<b>Sent:</b> Monday, April 26, 2010 10:34 PM<br>
<b>To:</b> cisco-voip@puck.nether.net<br>
<b>Subject:</b> [cisco-voip] SIP gateway config<o:p></o:p></span></p>

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<p class=MsoNormal><o:p>&nbsp;</o:p></p>

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<p class=MsoNormal>Does anyone happen to have an example SIP gateway config for
an ISR?&nbsp; CUCM 8.0(2) with a SIP trunk to a 2921 gateway (15.0.M1.12) with
a standard PRI for PSTN access.&nbsp; I have outbound working, but inbound
gives a fast busy with a 401 Unauthorized in the SIP debug.<o:p></o:p></p>

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<p class=MsoNormal>&nbsp;<o:p></o:p></p>

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<p class=MsoNormal>Thanks,<o:p></o:p></p>

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<p class=MsoNormal>Brian<o:p></o:p></p>

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<p class=MsoNormal>&nbsp;<o:p></o:p></p>

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<p class=MsoNormal>&nbsp;<o:p></o:p></p>

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