It can, if early dialog is established. Early dialog is considered established if 18X with to-tag is sent reliably.
>-----Original Message----- >From: [EMAIL PROTECTED] >[mailto:[EMAIL PROTECTED] On Behalf Of >[EMAIL PROTECTED] >Sent: Wednesday, March 21, 2007 11:21 AM >To: [email protected] >Subject: [Sip-implementors] One Doubt about OPTIONS and INFO > >Hi All, > I have one doubt about OPTIONS and INFO requests. >Consider the scenario where UAC is going to initiate a dialog >by sending INVITE and UAS has responded with 1XX response. >Now before receiving final response (2XX), can UAC initiate a >OPTIONS or INFO request towards UAS? >To be precise is it allowed to initiate a INFO or OPTIONS >request in a early dialog. Please put some comments on it. >Thank you. > >Regards, >--Tanmay > >*********************** Aricent-Unclassified *********************** >"DISCLAIMER: This message is proprietary to Aricent and is >intended solely for the use of the individual to whom it is >addressed. It may contain privileged or confidential >information and should not be circulated or used for any >purpose other than for what it is intended. If you have >received this message in error, please notify the originator >immediately. If you are not the intended recipient, you are >notified that you are strictly prohibited from using, copying, >altering, or disclosing the contents of this message. Aricent >accepts no responsibility for loss or damage arising from the >use of the information transmitted by this email including >damage from virus." >_______________________________________________ >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
