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RFC-3959 (Early Session Disposition Type) RFC uses overlapping SDP offer/answer exchanges in the same dialog. Any implementations of this technique? RFC mentions using a separate dialog. RFC contains a list of advantages it has over the separate dialog approach: It is simpler Lack of synchronization problems, all early dialogs terminated upon session acceptance. Does not require GRUUs. Does not introduce service interaction issues related to services that may be wrongly applied to the new dialog. Easier firewall management. |