Hi David, With the b2bua in opensips you can handle REFER at server. The scenario to be used in this case can be found here: http://www.opensips.org/Resources/B2buaTutorial#toc15.
Regards, -- Anca Vamanu www.voice-system.ro On 09/15/2010 07:23 PM, David J. wrote: > Adrian, > > So in that case I would need to have a PBX, such as Asterisk, or > FreeSWITCH to handle this case, which would mean the PBX has to be in > the call path the entire time? > > Thanks. > > > > On 9/15/10 12:17 PM, Adrian Georgescu wrote: > >> Call transfer using SIP require cooperation between the 3 end-points >> involved. >> >> On the public internet, which is probably why you want to use OpenSIPS, this >> does not work primarily because of accounting reasons. You can configure the >> SIP proxy to route the Refer and Notify alright but as an end-point you will >> not succeed at instructing for instance a remote PSTN gateway to transfer >> the call to some other end-point because you have no trust relationship with >> it and nobody can be billed for this new call leg. >> >> Handling the routing of REFER in OpenSIPS is trivial but it will not solve >> your problem. >> >> The only way you can make transfer work reliably is behind the same PBX. >> >> Adrian >> >> >> On Sep 15, 2010, at 6:02 PM, David J. wrote: >> >> >>> Seems like when I try to transfer a call from one user to the next, it >>> does not do anything, so I am guessing we have to handle the REFER message? >>> >>> What is the best practice for handling REFER messages? >>> >>> Thanks. >>> _______________________________________________ Users mailing list [email protected] http://lists.opensips.org/cgi-bin/mailman/listinfo/users
