<div dir="ltr">Hello Freeswitch Team,<div><br></div><div>I am new to freeswitch and trying to figure out if Freeswitch support RFC 4579 adding new member to conference by REFER.  <br></div><div><br></div><div><b><font size="4">Question:</font></b></div><div>Will Freeswitch support adding a member to conference by means of REFER message as mentioned in RFC 4579 section 5.5 (<a href="https://tools.ietf.org/html/rfc4579" target="_blank">https://tools.ietf.org/html/rfc4579</a>  ) ?</div><div><br></div><div><b><font size="4">What all I tried so far:</font></b></div><div> I tried the exercise  given in confluence dial-plan way to add a member to conference but it works through DTMF trigger. I am looking for something SIP based resource add to conference.</div><div>I see that Freeswitch documentation says It supports RFC 4579, But will it support adding member to conference by REFER messages(5.5 section in RFC 4579) ? </div><div>I saw many Tickets around this area but nothing clearly answers my question. Few example links:</div><div><a href="https://freeswitch.org/jira/browse/FS-7259" target="_blank">https://freeswitch.org/jira/browse/FS-7259</a> </div><div><a href="https://freeswitch.org/jira/si/jira.issueviews:issue-html/FS-5611/FS-5611.html" target="_blank">https://freeswitch.org/jira/si/jira.issueviews:issue-html/FS-5611/FS-5611.html</a> </div><div><a href="https://lists.freeswitch.org/pipermail/freeswitch-users/2016-August/121795.html" target="_blank">https://lists.freeswitch.org/pipermail/freeswitch-users/2016-August/121795.html</a>  <br></div><div><br></div><div> <br></div><div><b><font size="4">Scenario I tried :</font></b><br></div><div>When I try to REFER a member to conference, Freeswitch trigger the outbound call but it treats it as blind transfer and kicks out the party which sends refer message. </div><div>I want freeswitch just to include the referred member but not kick out the party which sent refer. and be in conference call.</div><div>====================================================================================================</div><div>There are 2 members in conference. one member is dialed through gw. that member is trying to add another client which is <a href="mailto:sip%3Aservice@172.29.0.3" target="_blank">sip:service@172.29.0.3</a>.</div><div>Freeswitch triggers the Invite to Refer-To member but it sends BYE to Referred-By member. Treating it as a blind transfer.</div><div><br></div><div>====================================================================================================</div><div>  REFER <a href="http://sip:gw+sbc@172.29.0.2:5060/" target="_blank">sip:gw+sbc@172.29.0.2:5060</a> SIP/2.0<br>  Via: SIP/2.0/TCP 172.29.0.3:5060;branch=z9hG4bK-34-1-5<br>  Max-Forwards: 70<br>  To: <<a href="http://sip:gw+sbc@172.29.0.2:5060/" target="_blank">sip:gw+sbc@172.29.0.2:5060</a>>;tag=mB6pSrNNZ4Sta<br>  From:  sut <<a href="http://sip:service@172.29.0.3:5060/" target="_blank">sip:service@172.29.0.3:5060</a>>;tag=34SIPpTag011<br>  Call-ID: 0ce57982-42a7-1238-c39e-0242ac1d0002<br>  CSeq: 8859010 REFER<br>  Allow: INVITE, ACK, CANCEL, OPTIONS, BYE, REFER, NOTIFY<br>  Supported: replaces<br>  Refer-To: <sip:service@172.29.0.3:5080;transport=TCP><br>  Referred-By: <sip:<a href="http://172.29.0.3:5060/" target="_blank">172.29.0.3:5060</a>><br>  Contact: <sip:172.29.0.3:5060;transport=TCP><br>  Content-Length: 0<br></div><div><br></div><div>Is it possible in freeswitch ?</div><div><br></div><div>Thanks,</div><div>Geeta </div></div>

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