答复: Re: [Sip] "UPDATE during Re-INVITE" discussion

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"Christer Holmberg" <christer.holmberg@xxxxxxxxxxxx>
发件人:  sip-bounces@xxxxxxxx

2009-03-10 23:15

收件人
"Brett Tate" <brett@xxxxxxxxxxxxx>, "SIPPING" <sipping@xxxxxxxx>, "SIP" <sip@xxxxxxxx>
抄送
主题
Re: [Sip] "UPDATE during Re-INVITE" discussion






Hi,

>>Regarding your second bullet, I don't even think that one should send
>>"nested" UPDATEs, if they don't have anything to do with the
>>re-INVITE. I think that is bad application design.
>>Non-related changes should be done outside the re-INVITE transaction.
>  
>Sending UPDATE per RFC 4028 to refresh or audit the dialog is
>one of the times UPDATE may be tried while a re-INVITE is occurring.

True, but normally those UPDATEs are not going to modify session parameters.

So, yes, it may happen, but I think we should recommend against doing so.

Regards,

Christer

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