Your flow is not legal. See http://www.ietf.org/internet-drafts/draft-ietf-sipping-sip-offeranswer-07.txt
Manpreet Singh wrote: > For an INVITE carrying an offer, does the offer/answer has to complete > within the INVITE transaction? Can it complete outside the transaction > but within the same dialog? Call flow is: > > -------------->Invite ( offer ) > <------------180 ( ringing ) > <------------200OK ( empty..no offer ) > ------------->ACK > <------------Re-Invite ( Answer to offer in first invite ) > -------------->200OK > <--------------ACK > > M > _______________________________________________ > Sip-implementors mailing list > [email protected] > https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors > _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
