Maybe usage of the "Replaces" header (defined in RFC 3891) will help in your scenario.
Mit freundlichen Grüßen Henning Christiansen Entwicklung -----Ursprüngliche Nachricht----- Von: sip-implementors-boun...@lists.cs.columbia.edu [mailto:sip-implementors-boun...@lists.cs.columbia.edu] Im Auftrag von Sourav Dhar Chaudhuri Gesendet: Montag, 4. August 2014 16:12 An: sip-implementors@lists.cs.columbia.edu Betreff: [Sip-implementors] Call transfer for an attended call without using REFER method possible? Hi, Is there any way when a answered call [ 200OK is already provided for initial INVITE and ACK also sent] can be transferred without using REFER method? If it is possible without REFER then please let me know required procedure. Thanks, Sourav Dhar Chaudhuri _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/mailman/listinfo/sip-implementors
