<html><head><style type='text/css'>p { margin: 0; }</style></head><body><div style='font-family: Verdana; font-size: 10pt; color: #000000'>I recall being at a Live session whereby they said just that, if you're still doing FAXing without some sort of FAX server, keep using a PRI for that. By "they", I mean David Hanes, Gonzalo Salgueiro, the writers of the <a href="http://www.ciscopress.com/bookstore/product.asp?isbn=1587052695">Modem/FAX book</a> who were doing the session. Or at least I'm pretty sure about that anyways.<span><br><br>It's one of the (many) reasons I've steered away from SIP for now.<br><br><span name="x"></span>---<br>Lelio Fulgenzi, B.A.<br>Senior Analyst (CCS) * University of Guelph * Guelph, Ontario N1G 2W1<br>(519) 824-4120 x56354 (519) 767-1060 FAX (ANNU)<br>^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^^<br>Cooking with unix is easy. You just sed it and forget it. <br> - LFJ (with apologies to Mr. Popeil)<br><span name="x"></span><br></span><br><hr id="zwchr"><b>From: </b>"Robert Kulagowski" <rkulagow@gmail.com><br><b>To: </b>"Cisco VOIP" <cisco-voip@puck.nether.net><br><b>Sent: </b>Monday, July 30, 2012 12:43:18 PM<br><b>Subject: </b>[cisco-voip] SIP trunk fax troubleshooting<br><br>Outbound faxes aren't working.<br><br>Fax machine is connected to a VGC -> CUCM -> SIP trunk -> CUBE -> bandwidth.com<br><br>Cisco IOS Software, C2900 Software (C2900-UNIVERSALK9-M), Version<br>15.1(4)M2, RELEASE SOFTWARE (fc1)<br>Technical Support: http://www.cisco.com/techsupport<br>Copyright (c) 1986-2011 by Cisco Systems, Inc.<br>Compiled Mon 26-Sep-11 17:37 by prod_rel_team<br><br>ROM: System Bootstrap, Version 15.0(1r)M12, RELEASE SOFTWARE (fc1)<br><br>voice service voip<br> ip address trusted list<br> ipv4 216.82.224.202<br> ipv4 216.82.225.202<br> ipv4 10.255.23.7<br> ipv4 10.255.1.21<br> ipv4 10.255.29.20<br> address-hiding<br> mode border-element<br> allow-connections sip to sip<br> no supplementary-service sip moved-temporarily<br> no supplementary-service sip refer<br> fax protocol pass-through g711ulaw<br> sip<br> header-passing<br> error-passthru<br> no update-callerid<br> early-offer forced<br> midcall-signaling passthru<br> privacy-policy passthru<br> g729 annexb-all<br><br>dial-peer voice 10000 voip<br> description Outbound SIP to Bandwidth.com<br> translation-profile outgoing SIP-OUT<br> destination-pattern 8T<br> session protocol sipv2<br> session target ipv4:216.82.224.202<br> voice-class sip dtmf-relay force rtp-nte<br> dtmf-relay rtp-nte<br> codec g711ulaw<br> fax-relay ecm disable<br> ip qos dscp cs5 media<br> ip qos dscp cs4 signaling<br> clid restrict<br> no vad<br><br>The CUBE book makes it seem like it should "just work".<br><br>I've also tried:<br><br>dial-peer voice 10000 voip<br> description Outbound SIP to Bandwidth.com<br> translation-profile outgoing SIP-OUT<br> preference 1<br> destination-pattern 8T<br> session protocol sipv2<br> session target ipv4:216.82.224.202<br> voice-class sip dtmf-relay force rtp-nte<br> dtmf-relay rtp-nte<br> codec g711ulaw<br> fax-relay ecm disable<br> fax rate 9600<br> fax protocol pass-through g711ulaw<br> ip qos dscp cs5 media<br> ip qos dscp cs4 signaling<br> clid restrict<br> no vad<br><br>No joy there either.<br><br>Seems like fax and modem are perpetual issues with SIP trunking from<br>what I can see in the archives? The easiest would be to just continue<br>to send fax to PRI / analogs, but where's the fun in that?<br>_______________________________________________<br>cisco-voip mailing list<br>cisco-voip@puck.nether.net<br>https://puck.nether.net/mailman/listinfo/cisco-voip<br></div></body></html>