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try set ringback=${us-ring} before you bridge.
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<div><div><br></div><div>-- </div><div>Seven Du</div><div>Sent with <a href="http://www.sparrowmailapp.com/?sig">Sparrow</a></div><div><br></div></div>
<p style="color: #A0A0A8;">On Monday, October 8, 2012 at 5:26 PM, Mick Stevens wrote:</p><blockquote type="cite"><div>
<span><div><div><div style="color:#000; background-color:#fff; font-family:arial, helvetica, sans-serif;font-size:12pt"><div>Hi Folks,</div><div><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal; ">Does anybody know a way I can get FreeSWITCH to generate a 180 or 183 with SDP upon receipt of a 180 without SDP?</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal; "><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal; ">Unless I'm being stupid (quite possible) I couldn't find an answer to this on the wiki, although lots around early media (I don't really want to resort to generating ringing for every call, in case the callee is genuinely engaged/busy for
example).</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal; "><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal; ">The context behind my enquiry is that I send traffic to another SIP carrier that then hands the traffic off at ISUP. Where the ISUP carrier sends back an ACM with a backward call indicator of "subscriber free" the carrier sends a 180 without SDP to me/FreeSWITCH assuming that any ringback tones will be generated by the SIP user agent (RFC 3398 blah, blah, blah).</div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent; font-style: normal; "><br></div><div style="color: rgb(0, 0, 0); font-size: 16px; font-family: arial, helvetica, sans-serif; background-color: transparent;
font-style: normal; ">Any help much appreciated!</div><div> </div><div><font size="2" face="arial, helvetica, sans-serif">Rgds, Mick</font></div><div><font size="2" face="arial, helvetica, sans-serif">Tel/SMS. +44(0)7967 594432<span style="font-weight:bold;"><br></span>Fax. +44(0)7053 452429</font><font size="2"><span style="font-size:18px;color:rgb(0, 51, 102);font-weight:bold;"></span><br></font></div><div><font size="2" face="arial, helvetica, sans-serif">Email/IM. </font><font size="2"><a rel="nofollow" href=""><font face="arial, helvetica, sans-serif">mickstevens@yahoo.com</font></a><br>Skype: <a rel="nofollow" href="">mick_stevens</a><br><a rel="nofollow" href="">www.facebook.com/mickstevens</a><br><a rel="nofollow" href="">www.twitter.com/mickstevens</a></font><br></div></div></div><div><div>_________________________________________________________________________</div><div>Professional FreeSWITCH Consulting Services:</div><div><a href="mailto:consulting@freeswitch.org">consulting@freeswitch.org</a></div><div><a href="http://www.freeswitchsolutions.com">http://www.freeswitchsolutions.com</a></div><div><br></div><div>FreeSWITCH-powered IP PBX: The CudaTel Communication Server</div><div><a href="http://www.cudatel.com">http://www.cudatel.com</a></div><div><br></div><div>Official FreeSWITCH Sites</div><div><a href="http://www.freeswitch.org">http://www.freeswitch.org</a></div><div><a href="http://wiki.freeswitch.org">http://wiki.freeswitch.org</a></div><div><a href="http://www.cluecon.com">http://www.cluecon.com</a></div><div><br></div><div>FreeSWITCH-users mailing list</div><div><a href="mailto:FreeSWITCH-users@lists.freeswitch.org">FreeSWITCH-users@lists.freeswitch.org</a></div><div><a href="http://lists.freeswitch.org/mailman/listinfo/freeswitch-users">http://lists.freeswitch.org/mailman/listinfo/freeswitch-users</a></div><div>UNSUBSCRIBE:<a href="http://lists.freeswitch.org/mailman/options/freeswitch-users">http://lists.freeswitch.org/mailman/options/freeswitch-users</a></div><div><a href="http://www.freeswitch.org">http://www.freeswitch.org</a></div></div></div></span>
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