> > But definitely A can't initiate BYE before > > a final response for INVITE been received. > > Actually it can. During simultaneous ringing > situations, the originator can send > a BYE to release individual early dialogs > while allowing the other early dialogs to > continue. > [ABN] Why do you really need to have deviation > for this particular scenario? You can use > CANCEL instead of BYE to cancel the early dialog.
You can't use a CANCEL to release early-dialog-1 while allowing early-dialog-2 for the associated INVITE to still continue. The CANCEL would trigger the release of both of the early dialogs. The BYE for early-dialog-1 releases early-dialog-1 without releasing early-dialog-2.
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