Thanks! Regards,
Christer -----Original Message----- From: Rockson Li (zhengyli) [mailto:[EMAIL PROTECTED] Sent: 19. kesäkuuta 2008 13:35 To: Christer Holmberg; [email protected] Subject: re: [Sip] REFER a target-refresh Hi Christer, I think it's target refresh method. please check RFC5057 5.4. Target Refresh Requests Target refresh requests update the remote target of a dialog when they are successfully processed. The currently defined target refresh requests are INVITE, UPDATE, SUBSCRIBE, NOTIFY, and REFER. Regards, -Rockson ------------------------------------------------------------------------ ----------------------------- Hi, I have a question regarding the REFER method: is it a target refresh method? RFC 3515 doesn't say anything about it. However, the Contact header seems to be MANDATED in the REFER request (eventhough not shown in the examples in the draft). And, chapter 4 of RFC 4488 says: "This document defines a new SIP header field: "Refer-Sub". This header field is meaningful and MAY be used with a REFER request and the corresponding 2XX response only. This header field set to "false" specifies that a REFER-Issuer requests that the REFER- Recipient doesn't establish an implicit subscription and the resultant dialog. Note that when using this extension, the REFER remains a target refresh request (as in the default case -- when the extension is not used)." So, I guess that means that REFER IS a target refresh method? Regards, Christer _______________________________________________ Sip mailing list https://www.ietf.org/mailman/listinfo/sip This list is for NEW development of the core SIP Protocol Use [EMAIL PROTECTED] for questions on current sip Use [EMAIL PROTECTED] for new developments on the application of sip
