Re: [Serusers] call transfer INVITE / REFER

but in the first instance is a INVITE sent, and then it drops to a REFER, cause that is what the grandstream handbook says Iqbal Nils Ohlmeier wrote: >Hi, > >take a look at the SDP of the INVITE. Probably it just puts the other side >on-hold before sending the REFER. >But I have no real clue how transfering without REFER should work. (Except > a cumbersome solution with Replaces and 3pcc, which I have never.) > > Nils > >On Monday 04 July 2005 21:07, Iqbal wrote: >>Hi >> >>Should the call transfer use INVITE or REFER as a method, cause I seem, >>to be getting INVITE, but this then causes problems with authentication. >> >>A <-->B then B transfer to C (all IP phones) >> >>This transfer seems fine, but it uses INVITE, no REFER . All phones on >>same sip domain/server >> >>Now when this setup changes >> >>pstn <---->B and then B tried to transfer to C, we get nothing, well we >>get 404 , it check the !location setting, and says ur not allowed. >> >>Is the REFER the first message to be sent, or is there a INVITE >>transaction first, >> >>Iqbal >> >> >>_______________________________________________ >>Serusers mailing list &gt;&gt;serusers(a)lists.iptel.org >>http://lists.iptel.org/mailman/listinfo/serusers > >.