On Fri, 2008-12-12 at 15:19 -0500, Arjun Nair wrote: > Right, I understand.. I will implement it as: > > if [ first_cseq == second_cesq ] > then > if [ first_to_tag == second_to_tag > || first_to_tag.isNull # <-- Support for matching dialog > forming > || second_to_tag.isNull ] # <-- requests with the correct dialog > then > > if [ first_from_tag.isNull > && second_from_tag.isNull ] > then > if [ RFC 2543 : COMPARE THE ENTIRE FROM FIELD ] > then > DIALOG_MATCH = TRUE; > fi > else if [ first_from_tag == second_from_tag ] > then > DIALOG_MATCH = TRUE; > fi > > fi > fi
There's another case that we've not considered, although the above algorithm handles it correctly: Consider a 2543 dialog, established with a to-tag but no from-tag. Then requests in the reverse direction will have from-tags but no to-tag (may appear to be out-of-dialog). Dale _______________________________________________ sipx-dev mailing list [email protected] List Archive: http://list.sipfoundry.org/archive/sipx-dev Unsubscribe: http://list.sipfoundry.org/mailman/listinfo/sipx-dev
