Refer to table 2 page 163 of RFC3261. You will find that require header itself is not allowed in ACK requests.
Regards, Indresh >>-----Original Message----- >>From: [EMAIL PROTECTED] >>[mailto:[EMAIL PROTECTED] On >>Behalf Of ext kavitha.subramaniam >>Sent: Wednesday, April 02, 2008 1:10 AM >>To: sip-implementors@lists.cs.columbia.edu >>Subject: [Sip-implementors] Require: 100rel in ACK >> >>Hi All, >>I have got a question about Require: 100rel in ACK Request. >> >>Presence of Require: 100rel header in ACK request is allowed? >> >>RFC 3262 says "A Require header with the value 100rel MUST >>NOT be present in any requests excepting INVITE, although >>extensions to SIP may allow its usage with other request methods". >> >>Regards, >>Kavitha. >> >> >>"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 >>Sip-implementors@lists.cs.columbia.edu >>https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors >> _______________________________________________ Sip-implementors mailing list Sip-implementors@lists.cs.columbia.edu https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
