8.1.1 Generating the Request A valid SIP request formulated by a UAC MUST, at a minimum, contain the following header fields: To, From, CSeq, Call-ID, Max-Forwards, and Via; all of these header fields are mandatory in all SIP requests.
>From rfc3261. Thanks, kaiduan ----- Original Message ---- From: Rami Eitan <[EMAIL PROTECTED]> To: [email protected] Sent: Thursday, May 17, 2007 8:48:29 AM Subject: [Sip-implementors] Is the VIA header mandatory in all request messages Hello, I have a question regarding the VIA header in request messages. I've noticed that the RFC does not mention the VIA header to be mandatory in all requests, yet it seems to be the case in most implementations. My question is does anyone know of or has ever come across a request message without the VIA header in it? Thx Rami _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors Be smarter than spam. See how smart SpamGuard is at giving junk email the boot with the All-new Yahoo! Mail at http://mrd.mail.yahoo.com/try_beta?.intl=ca _______________________________________________ Sip-implementors mailing list [email protected] https://lists.cs.columbia.edu/cucslists/listinfo/sip-implementors
