So is there a way you can go directly to the Call Manager or to the gateway as H.323 and remove SIP from the problem?<br><br>
<div class="gmail_quote">On Fri, Jul 11, 2008 at 9:40 AM, Nick <<a href="mailto:csvoip@googlemail.com">csvoip@googlemail.com</a>> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Correct.<br><br>
<div class="gmail_quote">2008/7/11 Voice Noob <<a href="mailto:voicenoob@gmail.com" target="_blank">voicenoob@gmail.com</a>>:
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<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Also you are not doing any type of FoIP, you are simply hanging a fax machine off an analog port to connet to the PSTN correct?
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<div class="gmail_quote">On Fri, Jul 11, 2008 at 9:30 AM, Voice Noob <<a href="mailto:voicenoob@gmail.com" target="_blank">voicenoob@gmail.com</a>> wrote:<br>
<blockquote class="gmail_quote" style="PADDING-LEFT: 1ex; MARGIN: 0px 0px 0px 0.8ex; BORDER-LEFT: #ccc 1px solid">Why don't you send the call from the Nortel box as H.323 directly to the gateway and skip the SIP trunk?<br>
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<div>On Thu, Jul 10, 2008 at 11:32 AM, Nick <<a href="mailto:csvoip@googlemail.com" target="_blank">csvoip@googlemail.com</a>> wrote:<br></div></div>
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<div>We are using fax machines connected to the Nortel CS1000 pbx which routes the faxes over the SIP trunk to CUCM 6.1, which then routes to a H323 gateway and out of an E1 to the PSTN. This is just for outbound faxes as all inbound are local to the site.
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<div class="gmail_quote">2008/7/10 James Buchanan <<a href="mailto:jbuchanan@ctiusa.com" target="_blank">jbuchanan@ctiusa.com</a>>:<br>
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<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d">Depends. Are you using a FoIP solution, or are you using fax machines for inbound and outbound faxing?</span></p>
<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d"> </span></p>
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<p><b><span style="FONT-SIZE: 10pt">From:</span></b><span style="FONT-SIZE: 10pt"> Nick [mailto:<a href="mailto:csvoip@googlemail.com" target="_blank">csvoip@googlemail.com</a>] <br><b>Sent:</b> Thursday, July 10, 2008 11:24 AM
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<div><br><b>To:</b> James Buchanan<br><b>Cc:</b> Matt Slaga (US); <a href="mailto:cisco-voip@puck-nether.net" target="_blank">cisco-voip@puck-nether.net</a><br><b>Subject:</b> Re: [cisco-voip] Fwd: Faxing over SIP Trunk</div>
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<p>Do I have to use T38 for this to work then, the gateway is already set up for modem passthrough as the calls come from the CUCM to the gateway and faxing from elsewhere is working fine, it's just the faxes that originate across the SIP trunk that do not work.</p>
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<p>2008/7/10 James Buchanan <<a href="mailto:jbuchanan@ctiusa.com" target="_blank">jbuchanan@ctiusa.com</a>>:</p>
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<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d">I believe this may give you some assistance:</span></p>
<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d"> </span></p>
<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d"><a href="http://www.cisco.com/en/US/docs/ios/12_3/vvf_c/cisco_ios_fax_services_over_ip_application_guide/t38.html#wp1158066" target="_blank">http://www.cisco.com/en/US/docs/ios/12_3/vvf_c/cisco_ios_fax_services_over_ip_application_guide/t38.html#wp1158066</a></span></p>
<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d"> </span></p>
<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d">This will help you troubleshoot the T.38 side.</span></p>
<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d"> </span></p>
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<p><b><span style="FONT-SIZE: 10pt">From:</span></b><span style="FONT-SIZE: 10pt"> Nick [mailto:<a href="mailto:csvoip@googlemail.com" target="_blank">csvoip@googlemail.com</a>] <br><b>Sent:</b> Thursday, July 10, 2008 11:09 AM </span></p>
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<p><span style="FONT-SIZE: 10pt"><br><b>To:</b> James Buchanan<br><b>Cc:</b> Matt Slaga (US); <a href="mailto:cisco-voip@puck-nether.net" target="_blank">cisco-voip@puck-nether.net</a><br><b>Subject:</b> Re: [cisco-voip] Fwd: Faxing over SIP Trunk</span></p>
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<p style="MARGIN-BOTTOM: 12pt">Yes, the call goes out of an H323 gateway to the PSTN.</p>
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<p>2008/7/10 James Buchanan <<a href="mailto:jbuchanan@ctiusa.com" target="_blank">jbuchanan@ctiusa.com</a>>:</p>
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<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d">Are you using an H323 gateway?</span></p>
<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d"> </span></p>
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<p><b><span style="FONT-SIZE: 10pt">From:</span></b><span style="FONT-SIZE: 10pt"> Nick [mailto:<a href="mailto:csvoip@googlemail.com" target="_blank">csvoip@googlemail.com</a>] <br><b>Sent:</b> Thursday, July 10, 2008 11:03 AM<br>
<b>To:</b> James Buchanan<br><b>Cc:</b> Matt Slaga (US); <a href="mailto:cisco-voip@puck-nether.net" target="_blank">cisco-voip@puck-nether.net</a><br><b>Subject:</b> Re: [cisco-voip] Fwd: Faxing over SIP Trunk</span></p>
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<p style="MARGIN-BOTTOM: 12pt">We are going straight into the CUCM and then routing the calls from there to a gateway and out the PSTN.</p>
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<p>2008/7/10 James Buchanan <<a href="mailto:jbuchanan@ctiusa.com" target="_blank">jbuchanan@ctiusa.com</a>>:</p>
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<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d">Are you going through a gateway or going straight into UCM?</span></p>
<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d"> </span></p>
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<p><b><span style="FONT-SIZE: 10pt">From:</span></b><span style="FONT-SIZE: 10pt"> Matt Slaga (US) [mailto:<a href="mailto:Matt.Slaga@us.didata.com" target="_blank">Matt.Slaga@us.didata.com</a>] <br><b>Sent:</b> Thursday, July 10, 2008 10:55 AM<br>
<b>To:</b> Nick; <a href="mailto:cisco-voip@puck-nether.net" target="_blank">cisco-voip@puck-nether.net</a>; James Buchanan<br><b>Subject:</b> RE: [cisco-voip] Fwd: Faxing over SIP Trunk</span></p></div></div>
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<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d">Make sure you are using G711 over your SIP trunk.</span></p>
<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d"> </span></p>
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<p><b><span style="FONT-SIZE: 10pt">From:</span></b><span style="FONT-SIZE: 10pt"> <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>On Behalf Of </b>Nick<br>
<b>Sent:</b> Thursday, July 10, 2008 11:52 AM<br><b>To:</b> <a href="mailto:cisco-voip@puck-nether.net" target="_blank">cisco-voip@puck-nether.net</a>; James Buchanan<br><b>Subject:</b> [cisco-voip] Fwd: Faxing over SIP Trunk</span></p>
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<p style="MARGIN-BOTTOM: 12pt">We are trying to fax over IP across the SIP trunk and route out of a PSTN gateway. I missed typed my e-mail and it was supposed to say faxes are not working.</p>
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<p>2008/7/10 James Buchanan <<a href="mailto:jbuchanan@ctiusa.com" target="_blank">jbuchanan@ctiusa.com</a>>: </p>
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<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d">Is this FoIP? </span></p>
<p><span style="FONT-SIZE: 11pt; COLOR: #1f497d"> </span></p>
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<p><b><span style="FONT-SIZE: 10pt">From:</span></b><span style="FONT-SIZE: 10pt"> <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>On Behalf Of </b>Nick<br>
<b>Sent:</b> Thursday, July 10, 2008 10:40 AM<br><b>To:</b> <a href="mailto:cisco-voip@puck-nether.net" target="_blank">cisco-voip@puck-nether.net</a><br><b>Subject:</b> [cisco-voip] Faxing over SIP Trunk</span></p></div>
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<p>We are having some issues with faxing over a SIP trunk, the setup is Nortel CS1000 > SIP Trunk > CUCM 6.1. All outbound calls from the CS1000 are routed to go out of a gateway connected to the CUCM, phone calls are fine but faxes are working, the calls are getting to the gateway and you hear the fax machine answer and get fax tone for about a second then it cuts off. The debug on the gateway shows normal call clearing and no errors.</p>
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<p>Does anyone have any experience of this sort of set up? or any useful troubleshooting tips.</p></div></div></div></div></blockquote></div></div></div>
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