The Partial Notification mechanism  requires PA issue NOTIFY in regular
sequence.

" The PA MUST NOT send a new NOTIFY request that contains a partial
   notification for the same Request-URI until it has received a final
   response from the watcher for the previous one or the previous NOTIFY
   request has timed out. "

Xiao
> -----Original Message-----
> From: Gerald Yan [mailto:[EMAIL PROTECTED]
> Sent: Wednesday, June 27, 2007 9:32 AM
> To: Bruce Qi; SIP; Paul Kyzivat
> Cc: Peili Xu
> Subject: 答复: [Sip] Could a UA issue a new NOTIFY before
> thepreviousNOTIFYtransaction has completed?
> 
> This issue may occur in the case of issuing NOTIFY to multiple SUBSCRIBE
or
> REFER in a dialog.
> 
> Best regards
> Gerald
> Tel:86-755-26952899 34617
> 
> -----邮件原件-----
> 发件人: Bruce Qi [mailto:[EMAIL PROTECTED]
> 发送时间: 2007-06-22 9:05
> 收件人: SIP; Paul Kyzivat
> 抄送: Peili Xu
> 主题: Re: [Sip] Could a UA issue a new NOTIFY before
> thepreviousNOTIFYtransaction has completed?
> 
> Hi Paul:
>        Is This issue belong to the internal implementation of SIP
production?
> Beacuse I think there are many similar issues in the development of SIP
> production.
> 
> Thanks and Regards
> Burce Qi
> 
> 
> ----- Original Message -----
> From: "Paul Kyzivat" <[EMAIL PROTECTED]>
> To: "Arunachalam Venkatraman (arunvenk)" <[EMAIL PROTECTED]>
> Cc: <[email protected]>; "yan" <[EMAIL PROTECTED]>
> Sent: Friday, June 22, 2007 7:48 AM
> Subject: Re: [Sip] Could a UA issue a new NOTIFY before the previous
NOTIFY
> transaction has completed?
> 
> 
> >
> >
> > Arunachalam Venkatraman (arunvenk) wrote:
> >> However, if you are using UDP and if the data in the second NOTIFY is
> >> additive to and not replacing the prior NOTIFY, you may run into the
> >> issue of out-of-sequence delivery.
> >
> > This can be a problem even when using TCP if there are proxies in the
> > path. There is no requirement for proxies to deliver messages in the
> > order they receive them.
> >
> > Paul
> >
> >>
> ------------------------------------------------------------------------
> >>
> >> *From:* Robert Sparks [mailto:[EMAIL PROTECTED]
> >> *Sent:* Wednesday, June 20, 2007 12:18 PM
> >> *To:* yan
> >> *Cc:* [email protected]
> >> *Subject:* Re: [Sip] Could a UA issue a new NOTIFY before the previous
> >> NOTIFYtransaction has completed?
> >>
> >>
> >>
> >> Generally speaking, yes.
> >>
> >>
> >>
> >> An individual event package may restrict that behavior though.
> >>
> >>
> >>
> >> RjS
> >>
> >>
> >>
> >> On Jun 15, 2007, at 12:16 PM, yan wrote:
> >>
> >>
> >>
> >> hi:
> >>
> >>   Could anyone answer me the question:
> >>
> >> Can a UA issue a new NOTIFY before the previous NOTIFY transaction has
> >> completed?
> >>
> >>  thx
> >>
> >>
> >>
> >> yan
> >>
> >>
> >>
> >>
> ------------------------------------------------------------------------
> >>
> >> 150 万 人 同 时 在 玩 的 网 游,你 不 试 试 吗 ?
> >> <http://event.mail.163.com/chanel/xyq.htm?from=163_NO1>
> >>
> >> _______________________________________________
> >>
> >> Sip mailing list  https://www1.ietf.org/mailman/listinfo/sip
> >>
> >> This list is for NEW development of the core SIP Protocol
> >>
> >> Use [EMAIL PROTECTED]
> >> <mailto:[EMAIL PROTECTED]> for questions on current sip
> >>
> >> Use [EMAIL PROTECTED] <mailto:[EMAIL PROTECTED]> for new developments on
> >> the application of sip
> >>
> >>
> >>
> >>
> >>
> ------------------------------------------------------------------------
> >>
> >> _______________________________________________
> >> Sip mailing list  https://www1.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
> >
> >
> > _______________________________________________
> > Sip mailing list  https://www1.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
> >
> 
> 
> _______________________________________________
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> 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




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